How in the world is this even a thing i need .

C

Step-by-step explanation:

The rectangular prism is composed of 3 pairs of congruent faces

top/ base

front/ back

2 ends

SA = 2(8 × 13) + 2(8 × 10.5) + 2(13 × 10.5)

     = 208 + 168 +273

     = 649 cm²

Increasing the dimensions by a factor of 2 increases the area by a factor of 2² = 4

new SA = 4 × 649 = 2596 cm² → C

step-by-step explanation:

it will be a cylinder. with a diameter of 8 and 4 single pieces high

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation: