Aball is thrown from a height of 160 feet with an initial downward velocity of 12 ft/s.
. the ball's height h (in feet) after t seconds is given by the following.
h= 160 - 12t - 16t^2

how long after the ball is thrown does it hit the ground?
round your answer(s) to the nearest hundredth.

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.