Answer:
3.3.14259265359 re-uccering
Step-by-step explanation:
Answer:
(14n - 42)*pi
Step-by-step explanation:
Circumference is 2 * pi * r. Since r in this case is 7n - 21, you can multiply r by 2 and pi, giving you (14n - 42)*pi
The slope of the line is -1
the equation would be y = -1x
Answer:0.0083
Step-by-step explanation: