6 miles in 30 minutes
so you need to find out how many minutes per mile
30/6 = 5 minutes
so Keewan bike 1 mile in 5 minutes
Now if you need to find how many minutes he bikes 18miles then
18 * 5 = 90
So It would take him 90 minutes to bike 18 miles
Answer:
y=-1/2x
Step-by-step explanation:
Answer: D
A= π*r² = π*7.3² ≈ 167.4154725