Answer:
= 3.1
= 2.6
= 4.5
= 3.3
Order from least to greatest: 
Answer:

Step-by-step explanation:

Answer:
0, 5/4
Step-by-step explanation:
If
, you get 0=0, which is obviously true.
As long as K is not 0, you can divide by k and get
which is solved by 
Answer:
12
Step-by-step explanation:
(# of pencils)x(3/4)=9
(# of pencils)x(0.75)=9
(# of pencils)=9/(0.75)=12
X=162, if you multiply 18*9 which is the way to get the answer you get 162