Pierre's general store sold 32 notebooks and 16 newspapers in July for a total of $112. In August, Pierre's sold 50 notebooks and 30 newspapers at the same prices for a total of $200. If you were to purchase 1 notebook and 1 newspaper together at Pierre's, how much would it cost? (Disregard any additional tax. Round your answer to the nearest hundredth.)

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

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.

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100