Answer:

Step-by-step explanation:
Surface area → area of 2 bases + area of 6 rectangles
Area of base is given
Area of rectangle → length × width

Its 10 if its scaled down.
9-4 is 5 so it went down 5
15-5 is 10.
Answer:
C
Step-by-step explanation:
It is the only answer where the negative signs do not even out on both sides of the equation.