A bag contains 28 colored marbles. There are 5 blue marbles, 9 red marbles, 11 yellow marbles, and 3 clear marbles. What is the ratio of red marbles to yellow marbles?

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

Can someone explain to me how to do

Y=21.95x+10 y=22.45x solve by substitution