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:
I think it's B.
Hopefully this helps, sorry if i doesn't.
(Also i saw your Technoblade pfp, very nice)
Answer:
The number is 6902
Step-by-step explanation:
Is means equals and of means multiply
What = 145% * 4760
Change to decimal form
What = 1.45 *4760
What =6902
Oki so the missing angle is also 2x + 15 since that’s equal so add all three of those together and equal it to 180 and solve