HELP ASAP PLSS (if u don’t know dont answer and noo links or ill report!!)

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

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Define multiplicative inverse. give an example of a number and its multiplicative inverse.