Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
- Order of Operations: BPEMDAS
<u>Algebra I</u>
- Slope Formula:

Step-by-step explanation:
<u>Step 1: Define</u>
<em>Find points from the graph.</em>
Point (0, -1)
Point (4, 2)
<u>Step 2: Find slope </u><em><u>m</u></em>
- Substitute:

- Add/Subtract:

And we have our final answer!
Answer:7
Step-by-step explanation:7
Melinda is saving at the rate of 60/5 = $12 per week
Marcus is saving $14 per week
Difference is $2
Melinda is savinf $2 less than marcus each week
You are right ! It is 8.246 and so on ;)