Answer:
60$ for leroy and $150 for mom.
Step-by-step explanation:
Set of all counting number
The expression xy-2, when x=3 and y= -4, becomes (3)(-4)-2, or -14 (answer)
the expresion 3x^2*y - 4 becomes 3(3)^2*(-4) - 4, or 27(-4) - 4, or -108 - 4 = -112 (answer)
Leave Timmy out of this, since it seems he didn't really do anything. ;)
Check the picture below.
notice the reflected gray line on the red one over the y=x line, the slope of either line across the y=x line is simply the other's upside-down.

Answer:
use photo math lol
Step-by-step explanation: