1. A home owner wants to purchase two different chairs for the living room, one for in front of the fire place and one for in front of the bay window. An interior decorator arrives at the home with photos of several different chairs, and shows the owner all56possible arrangements. Photos of how many different chairs were shown to the home owner?

2) As a designer, Sarah has5tints of colour to use in decorating her living room. If Sarah plans to use at most3tints, how many combinations can she select?