Hi,
Formula for ball volume (considered a sphera) is:

Green eyes.
Answer:
$21.25
Step-by-step explanation:
Mrs.Cronkhite paid $21.25 per person.
85 divided by 4 is 21.25
Hope this helps!
Answer:
$300.64
Step-by-step explanation:
Step one:
Given data
Jennifer had $256.86
She made a deposit of $43.78
Required
The total amount in the account
Step two:
To get the balance, we need to sum the previous amount with the deposited amount
Total= 256.86 +43.78
Total=$300.64
The balance is $300.64
Answer:
15-9
Step-by-step explanation:
The average speed of Joshua during that time is 2500 m/h.
Explanation:
It is given that Joshua started cycling at 5:15 pm. By 8:09 pm he has covered a distance of 7250 m.
The total time taken by Joshua from 5:15 pm to 8:09 pm is

Dividing we get,

Adding, we have,

Thus, the total time taken by Joshua is 
To determine the average speed we use the formula,

where
and 
Hence, substituting the values we have,

Dividing, we get,

Thus, the average speed of Joshua during that time is 2500 m/h.