Need to see more info jk idk what grade u are after that i will know how to help
We are given the following equation and want to find which value of x will make it true:

Subtract 3 from both sides

Divide both sides by -6

Thus, the value that will make 3-6x=21 is x=-3. Let me know if you need any clarifications, thanks!
~ Padoru
Answer:
i cant see the picture
Step-by-step explanation:
it looks pretty blurry
If you are familiar with the notion of place value, you know that number is written as 3.10.
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:
