What is the volume of this square?

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.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

What is the inverse of the function f(x) = 2x + 1?