The last one since it contains only fractions
a) 9/212 = #mph
b)0.000142045 Miles / 0.000277778 hours = # mph
Step-by-step explanation:
a) 9/212 = #mph
b)
1)9 inches divide the length value by 63360 is 0.000142045 Miles
2) 1 hour 3600 seconds in ones hour so 1/3600 =0.000277778
3) take miles/hour
0.000142045 Miles / 0.000277778 hours = # mph
You use the formula C=2(3.14)r r is the radius and in this situation 2 so the answer will be 12.56
Answer:
its B
Step-by-step explanation:
she went deeper than 21 feet so greater than 21