The goal is to find the radius of a circle which also helps to get the diameter. Finding the center helps to measure and know the circumference.
To solve for C, you have to get both of the numbers with a C on the same side. So, subtract the 5c from the right side onto the left side.

Then, divide by 3 on each side.

So, c = 7.
Answer:
3
Step-by-step explanation:
I say it is 3 because 2 * 3 = 6
6/2=3
I hope this helps you:)
Answer:
There are no solutions
Step-by-step explanation:
Because the lines are parallel, they will never meet, meaning there are no solutions to this system of equations
Answer: 23
Step-by-step explanation:
AB + BC = AC
AC = 11 + 12 = <u>23</u>