your answer is (-4,-1)
Answer: 2.117647
Step-by-step explanation:
Answer:
In terms of pi: 243
in decimal form: 763.407
to find surface area of a hemisphere the formula is,
diameter (d) = 18
radius = d / 2 = 18 / 2
radius = 9
1 hour = 60
60min/20miles=3
3 minutes per mile