Answer:
A and B
Step-by-step explanation:
the awnser is -6
im very sure let me know if im wrong.
a. At its maximum height, the ball has zero vertical velocity, so


b. The ball's height in the air
at time
is given according to

Solve for
when
:

Answer:
-7
Step-by-step explanation:
7-3=4
Answer:
61
Step-by-step explanation:
all angles that are in a triangle add up to 180
x+80+39=180
x+119=180
x=61
Hope that helps :)