Which pair of equations go to which system? It's hard to tell from what you've put on the screen which equations are with which system. =/
Answer:
y= -40
Step-by-step explanation:
987-343= 644
Not rounded is 644.62
4/9+5/9= all the pics
45 divided by 9 = to 5
(5/9)
so...
4*9=36
i m almost positive