Step-by-step explanation:
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<em><u>mark </u></em><em><u>Brainlist</u></em><em><u> </u></em><em><u>please</u></em></h2>
2x-y-1=0
There are 2 ways that you can solve this . Either plug in the x and y value into each equation until it is right or rewrite the equation .
the equation in slope intercept form is y=2x-1
When you get y by itself in the last one it is also equal to y=2x-1
For both ways work is attached !
Answer:
Highest grade: 86
Lowest grade: 36
Step-by-step explanation:
Let the highest grade be h, lowest grade be l.

Therefore,

The solution as in where do they intersect? if so, it would be 0.0769 and -0.0769