Which expressions are equivalent?
a.3x + 5x and 8x

b.3(x + 4) and 3x + 12

a + b + a and 2a + b

m − n and − n + m

18x + 2y and 15x + 3x + 2x

3a + 4a − 10 and 17a

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

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second

Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees.