Select all true equations. cos(75) = cos(15)
cos(75) = sin(15)
cos(15) = sin(15)
tan(15) = tan(75)
cos(15) = sin(75)

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.)

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation