Answer:
the ratio of radius of a small circle and large circle is 3:8
Answer: the c
Step-by-step explanation:
1.02272727... mi per hr
I think its A i'm sorry if its wrong
225
3240k = 2×2×2×3×3×3×3×5×k
Every factor should be in groups of 3
(3×5)² = k
k = 225
