Answer:
17.6%
Step-by-step explanation:
The general formula for the percent change of an amount:

Using the amounts given:

I believe the equation of the line that passes through the points can be seen on the graph. Hope it helps :)
Answer:
5
Step-by-step explanation:
Simplification:


1 + 4
5
Answer:
(8, -2)
Step-by-step explanation:
It is reflected over the X axis
Because 8 is an x coordinate, it will not be changed. And because 2 is not an X coordinate it will be reversed, or turned to negative