Answer: 25
Step-by-step explanation:
Plug in x to the expression.

When there is the same base of exponents is being multiplied the exponents add together and the base stays the same.
So this simplifies to,
.
This then solves to 25.
Answer:6
Step-by-step explanation:
-7=s+(-13)
Open bracket
-7=s-13
Collect like terms
s=-7+13
s=6
The answer is D- negative correlation