How many ways are there to arrange 7 distinct red and 5 distinct blue balls in a row such that no two blue balls are next?

How many obtuse or right angles does a hexagon have

The weather in a certain locale consists of alternating wet and dry spells. Suppose that the number of days in each rainy spell is a Poisson distribution with mean 2, and that a dry spell follows a geometric distribution with mean 7.

5x-2y=14. Covert from standard form to slope interceptecept

350/27 in simplest form

Direct Variation: If y=9 when x=3/2, find y when x=1.

78% of 3 feet is how much inches

To which pplace value is the following number rounded? 5.927 to 5.93

How many two digit whole numbers are increased by 18 when their digits are reversed?

How to solve? -21w (w-26)

Probability that Garrick is certified = 25 Probability that Molly has not had an accident = 71.87 Probability that Ryan is both certified and has never had an accident =