What is dy/dx if y = (x2 + 2)3(x3 + 3)2? a. 3(x2 + 2)2(x3 + 3)2 + 2(x2 + 2)2(x3 + 3) b. 2x(x3 + 3)2 + 3x2(x2 + 2)3 c. 6x(x2 + 2)2(x3 +3)2 + 6x2(x2 + 2)3(x3 + 3) d. 6(x2 + 2)2(x3 + 3)

In july, the average temperature in one us city was 29°c. by december, the average temperature had fallen by 29°c. explain why the average temperature in december was 0°c.

Question 2 (essay worth 10 points) (03.02 mc) in δabc shown below, point a is at (0, 0), point b is at (x2, 0), point c is at (x1, y1), point d is at x sub 1 over 2, y sub 1 over 2, and point e is at the quantity of x sub 1 plus x sub 2 over 2, y sub 1 over 2: triangle abc is shown. point d lies on segment ac and point e lies on segment bc. a segment is drawn between points d and e. point a is at the origin. prove that segment de is parallel to segment ab.

Heather, sarah, nicky, and jill each have nine markers. how many markers do they have in all?