The idea grabs your attention because you are thinking about it
Answer:
a: 
Step-by-step explanation:
Expand:
Subtract:
The second one is the write answer
Independent variables must be the amount of cans you buy of cat food. The dependent variable, well that must be the cost. Depending on how many cans you buy, the cost changes! :)
Answer:
6 squared
Step-by-step explanation:
The square root of a perfect square is a rational number.
