Answer:
60π
Step-by-step explanation:
If the circle has radius of 30 units, substitute r=30 into the formula C = 2πr.
C = 2π(30)
C = 60π
Answer:
Highest grade: 86
Lowest grade: 36
Step-by-step explanation:
Let the highest grade be h, lowest grade be l.

Therefore,

The correct answer should be the third option. YOU'RE WELCOME :D
Answer:
6
Step-by-step explanation:
The mode of a set of data values is the value that appears most often. ^ appers 4 times.