Ineed !
..it's easy for u but hard for meh.

Anyone know? will mark brainliest if you're correct!

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

Find the multiplicative inverse of 8-12i