Joan and Tammy are tossing a coin. Joan wins 7 out of the 11 coin tosses. The fraction 711 represents the ratio of Joan's wins to total tosses. After how many digits does the decimal form of 711 repeat?

How's coordinate geometry, Pythagoras theorem used in building construction

A pollster obtains a list of all the residential addresses in a certain town, and uses a random number generator to choose of them.

Paulo's father bought 8 pizzas and 12 bottles of juice for the class party. Each pizza coast $9 and each bottle of juice cost$2 Paulo's father paid $100-bill. How much change did he get back

What is 2 (p - 2) + 16 = 5p - 9?

Find the discriminant. 3b^2 + 6b + 3 = 0

In a number line when is the circle open and when is it closed?

Is the relation a function? { (14, 15), (5, 7), (3, 10), (11, 1), (5, 8) }

What is 3t - 8 = 8t + 12

Fred is constructing a 95% confidence interval to estimate the average length (in minutes) of movies he watches. His random sample of 15 movies averaged 114 minutes long with a standard deviation of 11 minutes.

How to check if a ratio is equivalent