The sum of two consecutive numbers is 157. this equation, where n is the first number, represents the situation:

2n + 1 = 157.

what is the first number?

Taina went to the toy store and spent $21.05 on a board game, $2.75 on coloring books, and $13.22 on a model airplane. about how much money did taina spend in the toy store?

Which of the following is equal to the rational expression when x is not equal to -2 or -6?

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?