Quadrilateral abcd had side lengths of ab= 3, bc=4y-5, cd=3, and ad=2y+1. find the value of y for which quadrilateral abcd is a parallelogram.

  y = 3

Step-by-step explanation:

Opposite sides of a parallelogram are the same length, so ...

  BC = AD

  4y -5 = 2y +1 . . . . substitute the given expressions

  2y = 6 . . . . . . . . . . add 5-2y

  6/2 = y = 3 . . . . . . divide by the coefficient of y

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.24

step-by-step explanation:

the probability is   .24

the first player had the highest probability of getting a silver marble

the game could be made fair by adding back the marble that was drawn after each draw