The number of bacteria in a petri dish on the first day was 252 cells. If the number of bacteria increase at a rate of 57% per day, how many bacteria cells will there be after 7 days?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.