Question

A rectangular prism has dimensions x units, 2x units, and x + 8 units.

Which expression represents the surface area of the prism?

8x + 16 square units
16x + 32 square units
10x2 + 48x square units
2x3 + 16x2 square units

Answer 1

Answer:

number 3

Step-by-step explanation:

2(lw+wh++lh)=SA

2x^2+x^2+8x+2x^2+16x, or 5x^2+24x

2(5x^2+24x)=10x^2+48x

Answer 2

Answer:

c

Step-by-step explanation: