Ben earns $750 a month plus 4% commission on all his sales over $900. find the minimum sales that will allow ben to earn at least $2,500 per month.

Math each whole number with a rational,exponential expression

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp