An urn contains twelve chips - four red, three black, and five white. A sample size 4 is to be drawn without replacement. Let X denote the number of white chips in the sample and Y is the number of red. Find FX, Y (1, 2).

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.