Determine the number of real solutions there are for 9x2 - 12r + 18 = 0. A. no real solutions
B. I real solution
C. 2 real solutions
D. 3 real solutions
E. not enough information

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