23.0956 to the nearest 10nth and thousandth

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

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.

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.