Adolphin is at the surface of the water and then descends to a depth of 4 1⁄2 feet. then the dolphin swims down another 2 3⁄4 feet. what is the location of the dolphin relative to the surface of the water? -4 1⁄2 - -4 1⁄2 + =

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

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?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.