Answer:
507
Step-by-step explanation:
As they said, I will be using 3 as pi.
(pi)
(radius squared)
Without annotations: 

; 


Answer:
7 markers cost $8.95
Step-by-step explanation:
9x = 11.50
x = 11.5/9 = 1.278
Therefore, 7 markers, or 7x = 7(1.278) = 8.946
Answer:
3
Step-by-step explanation:
you have 12 dollars left. divided by 4, is 3 hours
Answer:
5 apples
Step-by-step explanation:
Solution,
4 apples are required for a pie tin with a diameter of 8 inches
For 1 inch of the pie tin 8/4=2 apples are required.
For 10 inches 10/2=5 apples are required.