Please help me with these problems

Find the surface area of each prism below.

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices

What is 140 squared pleas me i am dumb