Find the value of x that will make l m

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Solve 2x+y=3 x+y=5 in substitution method

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second