What are the coordinates after a 90 degree clock-wise rotation around the point (1, 4)?

Will mark brainliest question in the pic.

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.)

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?