PLEASE HELP ME I DONT UNDERSTAND PLEASE I AM BEGGING YOU WILL MARK BRAINLIEST!!!!!!

Write the formula for the surface area of a rectangular prism.
Use the formula to find the surface area of this shape:

PLEASE HELP ME I DONT UNDERSTAND PLEASE I AM BEGGING YOU WILL MARK BRAINLIEST Write the formula for the surface area of a rectangular prism Use the formula to class=