Use quadrilateral ABCD given that lines CD is the perpendicular bisector of lines AB and lines AB is the perpendicular bisector of line CD.
y+1, 2y-3, 2x+7,
Find the value of y.

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

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Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.