Find the surface area of the rectangular prism.
7 in
1 in
3 in

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

How do i do this activity, is appreciated

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).