Select all the expressions that are equivalent to the expression below. 1.5(2a+b)-0.6(2a+b)

A. 0.9 (2a+b)
B. 3a+1.5b-1.2a+0.6b
C. 1.8a+0.9b
D. 3a+b-1.2a-0.6b
E. 3a+1.5b-1.2a-0.6b

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

Which letters from the table represent like terms? a and b b and c a and d b and d

Which function has the domain x> -11