The goal of a system is to

a) be natural or human-made

b) use energy

c) perform a task

d) be social or physical

If 1.546 g of copper was used by a student at the start of the lab, and 0.732 g of copper were obtained atthe end of the series of reactions, what was the percent recovery? Briefly explain how you found youranswer. A canyon is a type of landform formed over millions of years as flowing rivers wear away the land and carve out steep cliffs. A person standing at the bottom of a canyon would look up at the tall cliffs and think they were mountains because they are so high. Using this information, the landform at the bottom of a canyon is most like When completely factored, 8x + 2y - 4 What can people do to maintain a diverse and balanced microbiome? Select the correct answer.Read the sentence from an informational newspaper article:The prices have reached outrageous highs.How could the author improve the word choice to create a more objective tone?A. change prices to estimatesB. change outrageous to recordC. change prices to costsD. change outrageous to incredible Complete the square and write the quadratic equation in vertex form please show steps can you guys please help me??? What are the dimensions of a 2x4x8 Each card in a set of cards has a different number from 1 to 12 writtenon it. A student randomly chooses a card, records the number shownon the card, and replaces the card. The table shows the results of thestudent choosing a card 25 times.Based on the data in the table, howmany of the next 125 cards thestudent chooses could be expectedto have a number shown on the cardthat is a multiple of 4?Results 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) give me stuff thats equivalent to 2/10plzi dont know my mafs What makes a country an enemy in the world we live in today? 5+46=24 plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz Valerie is 30 inches tall and casts a shadow that is 12inches long. At the same time, ber teddy bear casts ashadow that is eight inches long. How tall is the teddybear? Plzz helpIn the figure, two pairs of congruent angles are marked. What is the value of a? Express youranswer as a common fraction. Find the product of 2 and 3 and then take that from 8 You had a bag of fruit snacks that you shared with 2 friends. Each of you got no fewer than 5 fruit snacks. The inequality x 3 5 NEED ASAPsolve the inequality to find the number of fruit snacks that were in the bag define natural greenhouse HURRY ILL GIVE BRAINLIEST.!!!!! Drag each label to the correct location on the table. Each label can be used more than once, but not all labels will be used.Simplify the given polynomials. Then, classify each polynomial by its degree and number of terms.Polynomial 1: (1 - 1)(61 + 2)Polynomial 2: (712 + 32) (21.32 12)Polynomial 3: 4(5.12 95 + 7) + 2(-10x2 + 185 13)26.12 + 21 - 1612 - I - 1trinomiallinearconstant6binomialPolynomialSimplified FormName byDegreeName byNumber of Terms1612 - I - 1quadratic23.0 + 432monomialResetNext Find each difference. (-5) 6 =.35 (-8) =.43 - (-1) =