Plz plz help i have till 11 50 plzplz plz help

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.)

What is the length of the unknown leg in the right triangle ?

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals