The town library is raising money by selling old books for $4each. which equation can be used to find the amount of money raised if the number of books sold is known? let x represent the number of books sold and y represent the amount of money raised.

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

Stephen bought 85 shares of united rotators at $6.34 each, 110 shares of dowc beverage co. at $13.13 apiece, and 133 shares of esti transport at $7.10 each. if stephen’s broker collects a commission of $12.50 for every ten shares bought or sold, how much did stephen spend in total, to the nearest dollar?