Answer:
103.6726
Step-by-step explanation:
C=2πr
radius is half of diameter, so its 16.5
2* 3.14*16.5
C=103.62
103.6726 to be exact.
6 mph
Difference in distance
= 15 - 12
= 3 mi
time taken
= 30 mins
= 1/2 hour
Speed
= 3 ÷ 1/2
= 6 mph
4x - 24
missing info my dude
