Answer: A. Correlation
Step-by-step explanation: A correlation describes the relationship between two variables, so it would be A
Use the communicative property of addition to switch to order and you get
13 - 5, so the answer is 8, or k = 8
OR
-5 + 13 = k
Combine like terms
8 = k
or
k = 8<span />
The statement is true, but the inverse is false.