F(x) = x-5
g(x) = x^2 – 12/ x^2 +4
write g(f(x)) as an expression in terms of x.

This is so hard and it’s for a test

Which expression is not a polynomial?

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in