What is equivalent to 8x-2y+x+x/

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.)

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?