Can someone 6y + 9y (btw you have to simplify the expression)

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?