Which statements explain why grades are important? Check all that apply.

Grades provide a way for students to reflect on what they have learned.

Grades give employers and colleges a way to judge students’ potential.

Good grades ensure that students can get scholarships to go to college.

Good grades are often required for participation in extracurricular activities.

Grades determine whether students will succeed in after-school jobs.

Grades give teachers an idea of how well students know the lesson content.


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In a double-slit arrangement the slits are separated by a distance equal to 150 times the wavelength of the light passing through the slits. (a) What is the angular separation between the central maximum and an adjacent maximum During the last five years, average daily occupancy at Autumn Acres nursing home has slid from 125 to 95 even though Autumn Acres has cut its daily rate from $125 to $115. Do these data suggest that occupancy would have been higher if Autumn Acres had raised its rates? What changes in nonprice demand factors might explain this change? (The supply, or the number of nursing home beds in the area, has not changed during this period.) Which of the following business combinations is a vertical integration? A. The corner gas station buys the competitor across the street and shuts them down to increase its own market share. B. The corner gas station and the competitor across the street agree to set their prices at the same level. C. The corner gas station acquires the gasoline distributor to ensure they can get gas in times of shortages. D. The corner gas station starts selling fireworks during December/January and June/July. Drag the following terms or phrases to the sentences in which they belong. In this figure, and are parallel. is perpendicular to line segment . If the length of is a units, then the length of is units. Write a single scene that uses rich descriptions to build suspense. Use vivid imagery that conveys elements of the supernatural in order to present a single, suspenseful moment to your readers. For what values of a the following expressions are true: |a5|=5a DNA and RNA are structurally similar in some ways, but different in others. Identify whether each of the following statements applies to DNA, RNA, both or neither. 1. It can contain the pyrimidine cytosine. 2. It can contain the pyrimidine uracil. 3. This contains the sugar 2'-deoxyribose. 4. In terms of base composition, the %A = %C. 5. This contains the sugar ribose. 6. The bases are attached to sugars in a beta-N-glycosidic linkage. 7. It contains equal amounts of guanine and cytosine. 8. Sugars are connected with a 3'-5' phosphodiether link. If it takes 56.7 min for the concentration of a reactant to drop to 18.0% of its initial value in a first-order reaction, what is the rate constant for the reaction in the units min-1? You do not need to show your work. You can just write the answer in the space provided below the diagram above shows a rectangle inscribed in a circle AB=10 and AC =12 caculate the total surface area of the shaded part Identify the goods or animals that europeans introduced to the americas Someone please help! Thank you when was the strike in metal industry Where are the Sierra Madre Occidental and Sierra Madre Oriental located? A. Mexico B. Honduras C. Cuba D. Paraguay Two points on line p havecoordinates (2, 1) and (5, 3).The slope of the line is?A. 2B. 3/2C. 1D. 2/3E. 4 The following box plot shows the number of years during which 40 schools have participated in an interschool swimming meet: A box and whisker plot is drawn using a number line from 0 to 10 with primary markings and labels at 0, 5, 10. In between two primary markings are 4 secondary markings. The box extends from 1 to 6 on the number line. There is a vertical line at 3.5. The whiskers end at 0 and 8. Above the plot is written Duration of Participation. Below the plot is written Years. At least how many schools have participated for more than 1 year and less than 6 years? Jane, Paul and Peter can finish painting the fence in 2 hours. If Jane does the job alone she can finish it in 5 hours. If Paul does the job alone he can finish it in 6 hours. How long will it take for Peter to finish the job alone? 4. The Reconquista was:A. The name of Christopher Columbus's flagshipB. Spanish conquest of the Aztec and Inca empiresC. Spanish reconquest of the Muslim-held European Spanish peninsula. Above the treeline, humans can only use thearea for seasonalA. GrazingB. PlantingC. Commercial fishingD. Lumber Two investment advisers are comparing performance. One averaged a 21% rate of return and the other a 18% rate of return. However, the beta of the first investor was 1.4, whereas that of the second investor was 1. a. Can you tell which investor was a better selector of individual stocks (aside from the issue of general movements in the market)? First investor Second investor Cannot determine b. If the T-bill rate was 7% and the market return during the period was 13%, which investor would be considered the superior stock selector? Second investor First investor Cannot determine c. What if the T-bill rate was 4% and the market return was 17%? First investor Second investor Cannot determine