Answer:
Step-by-step explanation:
L1 -x + 2y = -1
L2 5x - 10y = 6
-x + 2y = - 1 multiply by -1
x - 2y = 1 multiply by 5
5x - 10y = 5 is similar that 5x - 10y = 6
The system has no solution
After discount: $418; total (including tax): $388.74
D
Because to cancel out division you use multiplication
Answer:
w=20
Step-by-step explanation:
Solve for w by cross multiplying.
Answer:
the mean is $80
Step-by-step explanation:
