Answer:
Step-by-step explanation:
(-1,7), (0,5), (1,3)
and
(0,-3), (2,5), (4,13)
Answer:11:5
Step-by-step explanation: to find the ratio of gas to electricity
which is 55:25 ,you could leave ur answer at that but it is more preferable to find wats common which in here is 5 so the answer then becomes 11:5
72-18=54
54-7=47
Answer is: 47