Answer:
B. 20 mph
Step-by-step explanation:
To find the average speed, take the distance and divide by the time
40 miles / 2 hours
20 miles per hour
Answer:
D 381.7 in^3
Step-by-step explanation:
V=4/3pi r^3
V=4/3pi 4.5^3
4/3x3.14x4.5x4.5x4.5
It is approximately 381.51 when you use 3.14 as pi. This is closest to answer D, so I would assume it is that.
Sorry, I thought it said circle at first.
Answer:
615.75
Step-by-step explanation:
you divide 87.92 by pi (3.14 in this case) to get diameter, which you divide by 2 to get the radius to solve for area which you get 615.75
