michael is putting information on a rectangular display aboard. the area of the display board is 8 1/2 feet squared. the length of the display board is 2 1/2 feet. what is the width of the display board?

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.)

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?