Factor the expression x²+9

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

If m 17 27 90 63 ** picture is attached

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