Answer:
a=-5
Step-by-step explanation:
subtract 3 from both sides
15=-3a
divide by -3
a=-5
Answer:
owduifbeiprnjviruvhneijwvbierubvjkrewn rfv
Step-by-step explanation:
Answer:
pretty sure it's 9.
Step-by-step explanation:
square root of 81 is 9. 3 is its radius.
Answer:
6.533186235000709e+77
Step-by-step explanation:
Answer:
12.99km
Step-by-step explanation:
Using the formula
C=2(pi)(r)