Which of the following ordered pairs lies on the graph of h(x) = -2x²?
a) (1,-4)
b) (1,-2)
c) (1,4)

What is the volume of the sphere shown below with a radius of 3?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.