consider the expression 7 - 4y. Why would the co-efficient be -4 and not 4?

Solve the following proportion for v.7/3 = v/8Round your answer to the nearest tenth. R the midpoint of overline OP and overline QR perpendicular to OP In the diagram below. 20 in. 26 in. Q Find the length of QR . Mr. Heath is TRYING to grow his hair out! Currently, his hair is 0.25 inches long. Each month, it grows 0.5 inches. His goal is to have hair that is 2.5 inches long. Let x be the number of months that Mr. Heath grows hair. Which of the equations represents Mr. Heath's hair growth journey? * What was the MOST important reason the builders of the transcontinental railroad recruited workers from China?A Immigrants from Europe were unwilling to work for low wages.B Immigrants from Europe lacked the skills to construct the railroad.C Immigrants from China were skilled workers and immigrants from Europe were unskilled workers.D Immigrants from China had fewer opportunities to seek other work than immigrants from Europe. ASEAN, EU, NAFTA, and OPEC are all examples of-? The length of a rectangle is shown below: On a coordinate grid from negative 6 to positive 6 on the x-axis and on the y-axis, two points A and B are shown. The point A is on ordered pair 1, 2, and the point B is on ordered pair negative 3, 2. A straight line joins the points A and B. If the area of the rectangle to be drawn is 12 square units, where should points C and D be located, if they lie vertically below the line that connects B and A, to make this rectangle? C(3, 2), D(1, 2) C(3, 1), D(1, 1) C(3, 4), D(1, 4) C(3, 5), D(1, 5) How many miles is Hawaii from Florida? Why do the majority of Hindus live in India than Nepal Use this equation for the next question:2NaOH + H2SO4 Na2SO4 + 2H20If a reaction produces 0.75 moles Na2SO4, how many moles of NaOH were used?0.75 moles NaOH2 moles NaOH.375 moles NaOH1.5 moles NaOH An element has five isotopes. Calculate the atomic mass of this element using the information below. Show all your work. Using the periodic table, identify the element this is likely to be and explain your choice. (18 pts)A) Isotope 1 mass: 64 amu; percent abundance: 48.89%B) Isotope 2 mass: 66 amu; percent abundance: 27.81%C) Isotope 3 mass: 67 amu; percent abundance: 4.11%D) Isotope 4 mass: 68 amu; percent abundance: 18.57%E) Isotope 5 mass: 70 amu; percent abundance: 0.62% what is the rate unit for 1700 meters in 40 minutes please help Type using number words. (Remember to use a hyphen in your answer where needed.) 355 Type the correct answer in the box. Use numerals instead of words.CDBIn the figure, angle B measures 44, angle A measures 62, and angle E measures 50Complete the equation to solve for f, the measurement of angle F.f= 180 - 50 - help!!!!!!Because they were an island, which limited their resources, Japan used their military to do what?a. Destroy enemies.b. Conquer lands for resources.c. Protect themselves against invasion. DADDDDDDD??????????????? Kane or Undertaker and what was your favorite attire of the two partners of brothers of destruction What is the answer to this. How many miles are between Bangladesh and Irbil Once you've got a hypothesis, it's a good idea toO A. assume that it's trueO B. move on to another hypothesisO C. test itO D. draw a conclusion How did the U.S. Constitution address the problem under the Articles ofConfederation thatCongress had no power to ensure its laws were followed by the states?