What is the length of each leg of the triangle below?

A. 16

B. 1

C. 132

D. 4

E. 16.15

F. 5.6

Polynomial that can be factored as (3x-4)(3x+4)

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each