The difference of half of a number and three is equivalent to negative five

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

Determine the solution for mc001-1.jpeg

Interpret the following expression (5y^2-7)^3/(2y)^2