The third one would be correct
Answer: the answer is 50
Step-by-step explanation: I got it right in the quiz

by making r the subject, you need to divide the whole equation by 2πh
s/2πh = 2πhr/2πh
cancel out
r = s/2πh
Answer:
The statement is true
Step-by-step explanation:
Positive numbers are always greater than negative numbers, so the statement would be true
Answer:
0.8 hrs it take to drive 80 km at 100 km an hour
Step-by-step explanation: