Hi May I know how to solve this math equation please

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.)

Given the graphed function below which of the following orders pairs are found on the inverse function

Find the maximum value of p= 4x + 5y subject to the following constraints :