The sum of two numbers is 84. one of the numbers is 12 more than the other number. what are the two numbers?

Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

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?