Find the constant of variation k in the case that y varies inversely as the square of x, and y=6 when x=3.

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket