A ball is thrown downward from the top of a 140-foot building with an initial velocity of 15 feet per second. The height of the ball h after t seconds is given by the equation h=-16t^2 - 15t + 140 How long after the ball is thrown will it strike the ground?
[___} sec
(Round to the nearest tenth as needed.)

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

Divide reduce the answer to lowest term 3/7 divided 1 1/6

Harold wrote this equation to model the level of water in a pool over time. the variable x represents time in hours. f(x) = 3,500 - 225x which statements about the situation are true? check all that apply. the water level is rising. the water level is falling. the initial level of water in the pool was 3,500 units. the initial level of water in the pool was 225 units. the pool was empty after 14 hours. the water was 2,600 units high after 4 hours.