The 102nd floor on the sears tower in chicago is the highest floor. it is 1,431 feet above the ground. how many yards above the ground is the 102nd floor.

Which is an equation for the nth terms of the sequence 12,15,18,21

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?