Least to greatest, everything is in photo and 40 points to who answers it

Step 1:  Plug in 2 for a and 5 for b

Step 2:  Determine which is bigger

27 -> Largest

4 -> 2nd Smallest

0 -> Smallest

15 -> 3rd Smallest

So

1.)  

2.)  

3.)  

4.)  

3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2

easy its decreasing

step-by-step explanation:

because its top point is at the to of the graph on the left side (atleast from the veiw i see it) now if that top point wast in the lower part of the graph it would be increasing hope this have a nice day