All you would do is divide for this problem so,
13.75 ÷ 5 = 2.75
So one pack would cost 2.75
(:
Answer: 
Step-by-step explanation:
Given

We can write it as

Express x in terms of y

Replace y be x to get the inverse

To prove, it is inverse of f(x). 

So, they are inverse of each other.
Hi it is 57 is a becase use a protractor
Answer:
8
Step-by-step explanation:
you just count backwards from 5 until you reach -4