There are 75 students in grade 3 there 40 former students in grade 4 then in grade 3 how many students are in grade 4

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

What statement is true? 2x^2-9x+2=-1

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