Whats 43/21 rounded to the nearest hundredth

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

What are the soultion(s) to the quadratic equation 40- x^2=0

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.