Answer:
se eu não me engano é 10 graus.
Step-by-step explanation:
Answer:
You graph in the middle of the box
Step-by-step explanation:
go up 8 and to the right of box half way in the middle
Answer:
6.5
Step-by-step explanation:
3.5 + 3
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: -8 and -4
This is something you do through trial and error. Making a list or a table like shown below might help.