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The point P(x, y) lies on the terminal side of an angle 9 = -60° in standard position. What are the signs of the values of x and y?
Both x and y are positive.
Both x and y are negative.
xis positive, and y is negative.
xis negative, and y is positive.
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Find the value of x for which the lines are parallel.

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.

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?