4.) west middle school has 240 sixth graders. 15% of the sixth graders ride the bus. how
many sixth graders do not ride the bus?

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

Consider the function f(x)=-5x+3 what is f(-2)

For the inequality |c| < |d| to be true, which of the following must be true?