Acube has its length doubled and its width and height remain the same. how does the new volume compare to the old?
a) it remains the same
b) it is multiplied by 2
c) it is multiplied by 4
d) it is multiplied by 8

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

How can you tell when x and y are not directly proportional?