On a test with 25 problems grace got 88% correct. how many problems did grace get correct?

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

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

What is another way to express 36 +32