The midpoint of AB is M(-2,1). If the coordinates of A are (1, -2), what are the coordinates of B?

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

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.