I believe it would be (-2,-2) i may be wrong though i dont have my graphing papers
I need to see the diagrams to tell you.
Answer:

Explanation: You had to used pemdas stands for: p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtracting that came from left to right.
First you had to multiply and divide from left to right.



Then you add and subtract from left to right.


Final answer: 
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-Charlie
Because there is no cost for the sweatshirts, there is no way to solve this for the amount of sweatshirts needed. However, the amount of money each student needs to make off of them is $95.
1/15 divide by four to find it