Danielle wanted to purchase a blouse with the $100 she received on her birthday. she already spent $37 on cds. the blouse she wants costs $53. which operation would she use to make sure she had enough money to buy the blouse? a) add b) subtract c) multiply d) divide

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