A bag contains 3 red marbles, 7 blue marbles and 4 green marbles. If two marbles are drawn out of the bag, what is the probability, to the nearest 1000th, that both marbles drawn will be green?

If the tip varies directly with the number of guest which equation represents between the tip, t, and the number of guest, g?

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64

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