Answer:
The solution is (x,y)=(-4,-1)
Step-by-step explanation: Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.
Answer: 54
Step-by-step explanation:
A^2
-3^2 = 9
the answer is 9
D
-61
simply put parentheses in your priority
means
1) ()
2) ^√
3) ÷×
4) +-