Answer: n=4
Step-by-step explanation:

add 9 to both sides


divide both sides by -9

Brainliest please
Since the formula for the area of a circle is Pi x r squared, the area would be 81 x Pi (you teacher may want you to use Pi as 3.14 or put it in your calculator).
Answer:
0,4,7
Step-by-step explanation:
you take the input number like 8 subtract it by 4 to get the output
Answer:
1/2 mile
Step-by-step explanation:
(1/8)*4 = 1/2 mile
Answer: 0.47
Step-by-step explanation: