For these questions it's asking you to substitute the value into the equation.
For example question 5 says,
26= y-9;y=35
basically it's saying if y=35, is the equation correct or not.
In this case: 26= 35 -9 is correct.
So your answer is true.
Hope this helps Xx
A-b is the answers
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<span>The answer is 4.16666666666666</span>
The slope is 7
slope equation: y=mx+b
m=slope