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How many times can you expect to roll a 4 if you rolls a fair number cube 120 times? (A fair number cube has 6 sides numbered 1 through 6. If a 4 appears 1 time out of 6 then how many times would it appear out of a 120?)

The average airspeed velocity of an unladen (european swallow is approximately 24 mph. at this rate, how many hours will it take the swallow to fly from appin to glen coe (about 18 miles?

What is the inverse function of

Scott's soup recipe for four servings has three carrots and two celery sticks. How many carrots and how many celery sticks does Scott need for 12 servings. Enter your answer and your work.

On January 1, 2017 Hilldale Company had total assets of $ 360 comma 000. During the year, the company purchased new machinery worth $ 83 comma 000 and promised to pay the amount due after two years.

How many 4-element subsets containing the letter a can be formed from the set {a, b, c, d, e, f, g}?

A safety inspector conducts air quality tests on a randomly selected group of 7 classrooms at an elementary school. Identify the population and sample in this setting.

A square has an area of 15in^2. what is the approximate side lengths of the card

In class, we used associative property to show that when 6 is a factor, then 2 and 3 are factors, because 6=2x3. Use the fact that 10=5x2 to show that 2 and 5 are factors of 70, 80, and 90.

A social networking site recorded that 80% of the people who became members of the site one month were between 30 and 40 years old.