It is in the air 5.625 seconds.
Using the quadratic formula,

0 is when the ball is first launched, 5.625 is when it hits the ground again.
Answer:
y-7/ 12y+3
Step-by-step explanation:
When it is in () it means multiply x=45
1=-3x-12
13=-3x
3x=-13
X=-4.33333
Brainliest please? Thanks!