Suppose r varies directly as the square of m, and inversely as s. If r= 16 when m=9 and s = 9, find r when m=27 and s = 9.

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

Which of the following equations is equivalent to x/3-6/x=1

Simplify. 3(4+4x) (type your answer in with no spaces)