From the observation deck of a skyscraper, Deondra measures a 67 angle of depression to a ship in the harbor below. If the observation deck is 1086 feet high, what is the horizontal distance from the base of the skyscraper out to the ship? Round your answer to the nearest tenth of a foot if necessary.

Find the cosine function that is represented in the graph.

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.