He doesn't have a positive number. Add $45 and $112 together and it exceeds $79
Answer:

Step-by-step explanation:

<span>work out the difference (increase) between the two numbers you are comparing.Increase = New Number - Original Number.Then: divide the increase by the original number and multiply the answer by 100.% increase = Increase ÷ Original Number × 100.</span>
0 is the slope of a line that is parallel to the line of X= -3