How wants to carpet a 12footby 18foot rectangular living room and a square bedroom. one side length of the square bedroom is 12feet. carpet costs $3.50 per square foot. what percent of the total amount joe will pay will be spent on the carpeting the bedroom

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.

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /