I really need help, please!!

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

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse