Answer:
2. 8/5
Step-by-step explanation:
It is 8/5 because to find the slope for (4, -7) and (9, 1), you just need to find the difference. So you do 9-4= 5 and then 1- (-7)= 8, and since it is y over x, you put 8 over 5 and get 8/5.
For each quilt made, the cost increases by $55. I just took the quiz so it's 100% correct.
I think it would be 20
but am not sure
