Answer: 
Step-by-Step Explanation:
Let's solve for
.

Step 1: Multiply both sides by
.

Step 2: Multiply both sides by
.

Step 3: Add
to both sides.


Step 4: Add
to both sides.


Step 5: Add
to both sides.


Step 6: Factor out variable
.

Step 7: Divide both sides by
.


Answer:

Answer:
20,000
Step-by-step explanation:
20,000 is already rounded to the nearest ten given the tenths place is equal to 0.
The slope is 0 in this case because you are not moving up or down to get to the next point.
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