Use function notation to write the equation of the line.

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.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Hello, i need compare km^2 and km. what's difference in this?