A password for a secirity system at a home consists of a combination of 8 entries. Each entry can be either a letter (only upper case letters are in the keypad), or a 1-digit number. How many passwords are possible if there are no restrictions? How many passwords are possible if the no entry can be repeated?

A boy owns 10 pairs of pants, 5 shirts, 7 ties, and 8 jackets.(a) How many outfits can he wear to school if he must wear one of each item?   (b) How many outfits can he wear to school if he must wear pants, shirt and a jacket, but the tie is optional?    Submit QuestionQuestion 1

For a Halloween party, each guest can choose from the 6 different kinds of candy to have in a prize bag. If any number of candy types can be chosen, how many candy type combinations are possible?

Which of the following situations represents a Combination? Select all that apply. The number of ways you can choose a group of 5 volunteers to paint a house when there are 50 different volunteers to choose from. Creating a password of eight characters using five letters and three numbers. | The number of ways a committee of 3 could be chosen from a group of 20. Picking five students of twelve to ride with you in the van Deciding time slots for three college courses