Answer:
117.75 feet
Explanation:
This the answer that I got and it's correct. I hope this helps.
Answer:
The unit rate is 20.8 ft/ sec.
Step-by-step explanation:
It is given that the displacement of 644.8 ft in 31 s.
When the rate is define in the quantity of 1, then it is called unit rate.
In 31 s the displacement is 644.8 ft.

Divide both sides by 31,


For one second the value of the displacement is 20.8.
Therefore the unit rate for 644.8 ft in 31 s is 20.8 ft/sec.
Answer:
Step-by-step explanation:
P=(3.14)(d) diameter divided by 2 equals radius
P=(3.14)(13)
P=40.82
A=(3.14)(6.5)(6.5)
A=(3.14)(42.25)
A=132.665
I will say the best estimate for you is D. -$180/year
Not sure if it is right, but I did the math. Hope I helped! :)