The ___of 10, 15 and 20 is 15. 10 + 15 + 20, divided by three equals 15 in mean, median, and mode.

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.)

X+ y = 5 ; x - y =3 solve using linear combination

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.