Answer:
6/7
Step-by-step explanation:
-3 - 4 -7 -7
---------- = -------- = ------
5 - (-1) 5 + 1 6
Do the inverse of -7/6: 6/7
the answer is (3, 2)
3x+5y=-20
5y=-20divide
the answer is x=-4
3x=-20 divide
the answer is y=-20
8. yes, ASA
9. yes, SAS
10. yes, AAS
11. no
12. no
13. yes, SSS