Answer:
Step-by-step explanation:

Answer:
89
Step-by-step explanation:
Answer:
You could multiply 21*21=441 if its a square
Step-by-step explanation:
Answer:
r= 9
Step-by-step explanation:
radius (r) = diameter (D)/2
= 18/2
= 9
bus A takes 25 mins
bus B takes 35 mins
start at 8am
to find =lcm of 25 and 35
LCM of 25 and 35
5 /__25,35
/__5,7
LCM=5×5×7
=175 mins=8hr+175mins=10:55am