I’m not sure if i’m right. would someone check?

Which solid has two triangular bases and three lateral faces, each in the shape of a rectangle? triangular prism triangular pyramid rectangular prism rectangular pyramid

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =