Answer:
2.802691 revolutions per second
Step-by-step explanation:
You can round to the nearest whole number making it 3 revolutions per second
Answer:
I cannot see it well
Step-by-step explanation:
Answer:
they both go into 27 3 times
Step-by-step explanation:
Answer:
A. 
Step-by-step explanation:
÷ 
21 ÷ 7 = 3
28 ÷ 7 = 4