Fran is three times as old as Nancy. In four years, she'll be twice as old as Nancy. How old is each now?

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,