The correct answer is true:)
Answer:
669.9 ft³
Step-by-step explanation:
The formula for volume of a cone:


The radius is 8; the height is 10.
From here, we can just plug the numbers into the formula.

≈ 
A fraction is in it's simplest form if both of the numerator and denominator are not divisible by a number.
Answer:
39
Step-by-step explanation:
To find the intervals you will need to find the lowest and highest numbers, in this case, it would be 1 and 35. A general rule would be 5-7 intervals, I will use 5.
Here are the intervals with the number of people that were in each:
1-7 (9)
8-14 (14)
15-21 (8)
22-28 (3)
29-35 (5)
14+9+8+3+5=39