4 times the result of the number N minus 3 is 36

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)