I think they are not always the best deal, but most are. Sometimes they are not good if they opponent has a even lower price then them.
Answer:
¢51
Step-by-step explanation:
The price of once ounce of hair conditioner is 2.55 divided by 5 which is equal to 0.51. Convert that into cents and you get: ¢51.
The correlation coefficient r of the data set is <em>-0.28</em>