A ball is tossed in the air with an initial velocity of 19 ft/sec from a height of
3.5 feet. Which of the following equations represents the ball's height, h, in
feet over time, t, in seconds?
A
h = -1912 + 3.5
®
h= -16t2 + 190 + 3.5
©
h= -4.9t2 + 190 + 3.5
0
h = -4.9t2 + 160 + 3.5

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

One positive number is 9 more than twice another. if their product is 95, find the numbers

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?