Answer:
$291.50
Step-by-step explanation:
For 22 hours, he earns 22 times his hourly pay.
22×$13.25 = $291.50
-3√2+3√8
=-3√2+3×2√2
=-3√2+6√2
=3√2
First find x and y.
Solve system of equations by elimination.
3x-y=3
+(-x+y=3)
---------------
2x=6
x=3
Now plug in x into one of the equations to find y.
-3+y=3
y=6
xy=3x6=18
letter C is the right answer