Help asap right now pls

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?