Multiply:
2 boxes x 5 packs each = 10 total packs
10 packs x 8 markers per pack = 80 total markers
Any: 80 markers
Answer: 
Step-by-step explanation:
The formula for calculate the volume of a cylinder is:

r is the radius of the cylinder and h is the height of the cylinder.
Given the diameter of 3 inches, calculate the radius of the cylinder with:
(Where d is the diameter)

Knowing the height and the radius, you can calculate the volume of the entire can of tuna:

As you want to know the cubic inches of tuna that are in the can (volume of tuna), and you know that the can is half full, then:

Answer:
Unfortunately, you have not provided the graphs for us to choose from. Hence, we cannot help you. Please refine your question before posting next time.
Step-by-step explanation:
84 is a composite number. 84 = 1 x 84, 2 x 42, 3 x 28, 4 x 21, 6 x 14, or 7 x 12.
Factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84.
Yes. The 100 - 85 = 15, meaning 15% of parents said yes. 85 > 15