Answer:
3rd one
Step-by-step explanation:
Answer:
1x3=3x3=9x3=27x3=81 hope this helps you
Answer:
1. 5
2. -1
3.-41
4. 55
5.-155
Step-by-step explanation:
Answer:
x=-2 y=0
Step-by-step explanation:
put the second equation in to the first one
-2x+x+2=4
-x=2
x=-2
y=-2+2=0
x=-2 y=0