Answer:
its c
3 : 7
3/7
Step-by-step explanation:
It's definitely A, gotta be.
Answer: X + X= 2x or X squared.
Step-by-step explanation:
]Answer:

Step-by-step explanation:
Substitute the value of the variable into the equation and simplify.

Solve it out.
Multiply / divide / add / subtract everything out.
Answer: 55
Step-by-step explanation:
Since lines m and n are parallel, angle 55 would be the same for the measure of angle 1.