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9. To order books from an online site, the buyer must open an account. The buyer needs a username and a password. a. If the username needs to be eight letters, how many different usernames are possible: i. If the letters can be repeated? ii.

A professor teaching a discrete math course gives a multiple-choice quiz that has ten questions, each with four possible responses: a, b, c, d.

Kevin uses 36 ounces of dried apples and 18 dried cranberries to make a fruit snack. He plans to sell the snack in 1/2 pound containers. How may containers will he fill? Will any fruit snack be left over?

10 percent of 145 ...

Juanita runs a mile in 8.7 minutes. If she starts at 3:30 P. M and runs three miles, will she be done by 4:00 P. M?

Determine which of the following ordered pairs satisfies the given system of equations. {-2x+y=8 y=2x/5 - 8 Select all that apply: (72,-72) (-3,2) (-1,5) (-2,-445) (-10,-12)

Suppose that you are running a concession stand when a person gives you $18 and asks for six soft drinks and as many hot dogs as the remaining money will buy. If soft drinks are $1.00 and hot dogs are $1.

Solve. Write the solution set in interval notation. x + 7 ≥ 4x - 2

The histogram below shows information about the hours students spent exercising in a week: A histogram is titled Weekly Exercise, the horizontal axis is labeled Hours of Exercise, and the vertical axis is labeled Students.

What is the rule for 24, 48, 72,