So you didn't put an actual question. To find the money he makes you just plug in the numbers.
If he works 4 shifts at the theater you replace x with 4. Then, you find 85 x 4. You do the same thing with 15y.
It is 3. Because a square root is anything times itself to make an answer. For example:
Step-by-step explanation:
I hope it helps man this much .
Switch the x and y values and isolate y, then simplify.
x=6y+5
6y=x-5
y=1/6x-5/6

.... Hope this will help....