What is 5+2? Ive been totally stuck on this for the longest time. I really need help

Solve for x i'll try to attach the files bc it's not letting me for some reason

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

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