A particular carmaker sells four models of cars , and each model comes with 5 options. How many different types of cars does the carmaker sell?

Ahmad has containers of two different sizes. The total capacity of 16 containers of one size is x gallons,and...

If n is any negative number, which of the following must be positive?

Successive discounts of 20% and 12% are equivalent to a single discount of:

Two equal glasses are respectively 1/3 and 1/4 full of milk, They are then filled up with water and the couten...

If a square mirror has a 20-inch diagonal, what is the approxirnate perimeter of the mirror, in inhes?

Of 30 applicans for a job, 14 had at least 4 years experience, 18 had degrees, and 3 had less than 4 years' ex...