You buy 40 of your favorite songs from a web site that charges $0.97 for each song. what is the cost of 40 songs?

Can (2,3 and square root 10) be sides ona right triangle?

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.

Find the cosine function that is represented in the graph.