Answer:
9
Step-by-step explanation:
a²+b
Substituting values,
=> (-2)^2+5
=> 4 + 5
=> 9
Answer:
D..........
Step-by-step explanation:
rgW
Answer:
no solution.
Step-by-step explanation:
1) in order to explain, the given system should be resolved:

2) the both equations have the same slope (it is 3), it means the given lines are parallel, then no solution.