Answer:
d = 10
Step-by-step explanation:
A = πr²
81 /π = r²
r² ≈ 25
r = 5
d = 5(2) or 10
Answer:
Parallel lines have the same slope, so the one with the same slope.
Answer:
4a/5
Step-by-step explanation:
(a+a+a+a) / 5
Combine like terms
4a/5
Well, not specific. But after 7 hour the bus will be 210mi away
It would be C. You would multiply X by 2 and then subtract 15.