When evaluated, which expression has a result that is a rational number? A) √144 × 0.25

B) √3 + 6

C) √36 - π

D) √4 ÷ √2

What is 1/2 x (6 x 4)+3 + 2 show your work

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

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?