Use the distributive property to factor the expression below.
54x2y - 12x2y2
a. 6(9x2y - 2x2y2)
b. 6x(-9xy2 - 2y2)
c. 6x2(-9xy - 2y2)
d. 6x2y (9 - 2y)

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?