24x + 32 + 4x + 3

what is the coefficient of x

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

Don't know how to find x given these segment lengths

Find the area of the triangle shown 3 by 6