The length of the rectangle is 5 cm less than four times its width. The area of the rectangle is 21 cm2. What is the width
of the rectangle?

Suppose investors can earn a return of 2% per 6 months on a treasury note with 6 months remaining until maturity. the face value of the t-bill is $10,000. what price would you expect a 6-month maturity treasury bill to sell for? (round your answer to 2 decimal places. omit the "$" sign in your response.)

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?

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .