The Segerstrom High School baseball team uses a baseball throwing machine to help train its players to catch high pop-ups. It throws the baseball straight up with an initial velocity of 48 ft/sec from a height of 3.5 ft. The height of the baseball is given by h (t ) = −16t 2 + 48t + 3.5 , where h is measured in feet and t is measured in seconds.
(a) How long does it take for the ball to reach its maximum height?
(b) What is the maximum height of the ball?
(c) How long is the ball in the air total?

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.

answer: idk wbu

step-by-step explanation:

10+4√2 is the answer. i dont have the time to explain.