Ireally need ! if someone answers this, i will be happy to mark the brainest answer! extra: you can answer the top question for a nice you!

9) They traveled 31.9 hours over the 3-day trip.

10.9 + 8.6 + 12.4 = 31.9

10) She does not have enough money. She has $12, but everything she wants to purchase would cost $12.39.

Large drink = 1.79

Turkey sandwich = 4.85

1.79 + 4.85 = 6.64

6.64 + 5.75 = 12.39

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )

this answer is !