Give the coordinates of the points on the coordinate plane. 1. A (_ , _)
2. B (_ , _)
3. C (_ , _)
4. D (_ , _)
5. E (_ , _)
6. F (_ , _)

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Which of the binomials below is a factor of this trinominal? x^2-13+30

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2

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.