I think that it is a reflection, but I could be wrong...
Answer: C
Step-by-step explanation:
For the order of operation use PEMDAS
Parenthesis
Exponent
Multiplication
Division
Addition
Subtraction
For memorizing the order you could say
Please
Excuse
My
Dear
Aunt
Sally
Parallel = same slope
-3 = 10x + 2
-5 = 10x
x = -1/2
y = 10x + 2