Find all the missing elements : C=120degrees
b= 5
c=11

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

Me asap! what is the slope of this line? enter your answer in the box.

What is the distance between point a and b