Number of planes that can pass through four non collinear points equal ??? (0, 3, 4, infinite number)​

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 factored form of the following expressions? d^2 – 13d + 36

Which expression is equivalent to -12(3x-3/4)