(-3,7)
5(-3)+2(7)=-1
-15+14=-1
Yes, yes, yes, yes all of them are yes hope this helps also not a genius so be careful with the answers
Number 15- The total is 350
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The answer : 245
The denominator of the fraction is four more than the numerator. The fraction:

If both numerator and denominator are increased by eight, the simplified result is 5/6:

The original fraction is 12/16.
Answer:
1. Slope: -2/1, Y intercept: 1
2. Slope: 1, y intercept: -15
3. Slope : 3/2, y intercept : -2
4. Slope: 1, y intercept: 9