Answer:
B. {-2, 0, 1, 3}
Step-by-step explanation:
See attached image.
Answer:
x=5, y=8
Step-by-step explanation:
x+y=13
2x-y=2
add these two equations
3x=15
therefore x=5
apply this value in x+y=13
5+y=13
then y=13-5 = 8
Answer:
no
Step-by-step explanation:
Answer:
80%
Step-by-step explanation: