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##### SAThabit_Math

Which of the following lists of numbers has a median that is less than the average (arithmetic mean)?

##### SAThabit_Math

There is a bag of marbles containing 8 red marbles, 12 blue marbles, and 20 white marbles. If a marble is chosen at random, what is the probability that the selected marble will be blue?

##### SAThabit_Math

Boats A, B, and C pass by a navigational buoy at different speeds. Boat A's speed is twice boat B's speed, and boat C's speed is 3 times boat A's. What is boat C's speed, in miles per hour, if boat B's speed is 12 miles per hour?

##### SAThabit_Math

10x - ky = 15; 2x + 4y = 7; For which of the following values for k will the system of equations above have NO solution?

##### SAThabit_Math

The rocks in a certain bag are either smooth or sharp. If the ratio of smooth to sharp rocks is 3/4, any of the following could be the number of rocks in the bag EXCEPT,

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##### Reynaa319

If 3 is a root for x of x^3-12x^2+47x+k=0, find the value of k.