We have the following:

solving for x

The solution of x is equal to 28, therefore 12 is not a solution of the equation
Answer:
C Might be the best answer
Step-by-step explanation:
Sorry If I am wrong but I am sure it's right.
Answer:
Step-by-step explanation:
5.5x-5=y
Answer:
72
72
96
120
Step-by-step explanation:
The arcs are in the ratio:
3 : 3 : 4 : 5
Add all numbers in the ratio:
3 + 3 + 4 + 5 = 15
In the ratio, the sum of all numbers is 15.
In the real circle, the sum of the measures of all the arcs is 360.
360/15 = 24
Multiply all numbers in the ratio by 24.
72 : 72 : 96 : 120
Answer:
72
72
96
120