Answer:
for completing the square it would be

however if you were to find the roots it would
be

however the picture is unclear on what to do so these may help
(A)The distance a runner ran during training......
Answer:
x is about 37.6 degrees
Step-by-step explanation:
hope that helped

if you want to multiply mixed numbers you need to turn them into improper fractions
Answer:
D
Step-by-step explanation:
A=20*20