Answer:
The ball will hit the ground at t=2.5 seconds.
Step-by-step explanation:
Solve the quadratic equation to get the roots.
t=-0.25 and t=2.5
It might be c. im not really sure, but that's what I got. sorry if its wrong...
Answer:
0
Step-by-step explanation:
because it has no slope
Answer:
141.5
Step-by-step explanation:
find the mean add all of the the numbers then divide by how many numbers are there.