Answer:

Step-by-step explanation:
Let
x ----> the number of kids in a group
y ----> the total number of caramel chews Erica gives to that group
we know that
A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form
or 
Find the value of the constant of proportionality k
take a ordered pair from the data in the table and determine the value of k
For x=2, y=6 ---->
----> 
therefore

Answer:
4/8 = 1/2 = 0.5 is your answer
Mathmatic is what most people ask questions about, but the best for this site is math or English. Hope this helped.
1. Rational comes out even. 2. Irrational 8 square rooted doesn't come out even. 3. Irrational 6 square rooted doesn't come out even. 4. .3 square rooted doesn't come out even.
-16+4n
Just have to simplify