2. Holly collects video games. She starts with 3x³ games, for some numberx, and then buys another 7x⁴. She then gives away x², then sells 5x, and finally donates another 9 games. Write an expression for the number of games Holly now has in standard form A -9 + 7x4 - 5x + 3x3 - x2
B 3x3 – 5x + 7x4-9-X2
C 7x4 + 3x3 - x - 5x - 9
D -9-5x - x2 + 3x3 + 7x4​

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