If 15% of x is 12. what is x?

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

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?