A pack of pencils costs $1.25. The school secretary went to the store, bought some packs of pencils and spent $11.25. Which equation can be used to solve for how many pencils, p, she bought? A. p+1.25=11.25

B. 11.25-p=1.25

C. 1.25p=11.25

D. 11.25p=1.25

Please answer quick

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.