Find the center and radius of x^2+y^2=9

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Jubal wrote the four equations below. he examined them, without solving them, to determine which equation has no solution. which of jubal’s equations has no solution hurry

How many zeros does this polynomial function, y=(x-8)(x+3)^2