Ineed to simplify each complex fraction like 3/4÷1/2

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.)

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Polynomial that can be factored as (3x-4)(3x+4)