Which of the following points is not on the graph of y=-1/2x^2-3x+7 ?
(1, 3.5)
(-8, -1)
(9, -60.5)
(6, -30)

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Find the slope of the line passing through a pair of points