Answer:
Step-by-step explanation:
i assume x+y=6(1/2)=\frac{13}{2}

Answer:
A
Step-by-step explanation:
The easiest way to figure this out is to substitute in the variables. So for a, 2=-5+7 is correct, and 7=0+7 is correct as well. If you were to look at the other answers, you would see that the equation would not match up. Hope this helps!
Answer:
x³+3
Step-by-step explanation:
Answer:
14-3=11
Step-by-step explanation:
number or x=11