A contractor records all of the bedroom areas, in square feet, of a five-bedroom house as: 100, 100, 120, 120, 180 what is the variance? what is the standard deviation?

A town has two shopping malls. A survey conducted on the shopping preferences of the town's residents showed that 62% of the residents visit Comet Mall, 73% of the residents visit Star Mall, and 48% of the residents visit both malls.

Larry rolls 2 fair dice and adds the results from each. Work out the probability of getting a total that is a multiple of 3.

Write the difference of the expressions 17x-13y+8 and 20x+6y and simplify it.

Consider the function f defined by f (x) = (1 - x) (5 - 2x) What is the minimum value of f (x) ? - 9/8 -9/8 7/4 -5

In order least to greatest 5.540 5.631 5.625 5.739

The oil tank is leaking at a rate of 1.2 oz per mile driven. You drove 15 miles over to your grandmas house. how many cups of oil did your car leak

How many real numbers solutions are there in the equation? 0=-3x^2+x-4?

Cual es la diferencia 4/7 y 1/3

Mark draws one card from a standard deck of 52. he receives $ 0.45 for a club, $ 0.55 for an ace and $ 0.75 for the ace of clubs. how much should he pay for one draw?

Shirts are onsale at 3 for $15.50. how many shirts can you buy with $139.50.