Mary opened a savings account with a deposit of $18,000. The account earned simple interest.
• He did not make any additional deposits or withdrawals.
• At the end of 6 years, the account balance was $18,756.
What is the annual interest rate on this account?
O 0.6%
O 0.7%
o 4.1%
4.2%

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.)

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33