There are 4 highways from city A to city​ B, 4 highways from city B to city​ C, 5 and highways from city C to city D. How many different highway routes are there from city A to city​ D? Use the Fundamental Counting Principle with three or more groups of items.

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Find the quotient with the restriction.