Step-by-step explanation:
Q1. E
Q2. A
Q3. H
sorry if I'm wrong anyways
Q4. C
The answer to this is 0.2725
By replacing you get:
5*7-2*11+3*(-1) = 35-22-3= 10
so the answer is 10.
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X-5y=36
x+y=-26
y=-26-x
x-5(-26-x)=36
x+130+x=36
2x+130=36
2x=36-130
2x=-94
x=47
