A fossil was found to have 1/4 the number of Carbon 14 atoms present then when the animal died. The half life for carbon 14 is 5730 years. How old is the fossil?

A pizza shop offers five different toppings, R, P, 0, M, S for its pizzas. How many different pizzas can be created using three different toppings?

An art club is having a party. Wes got 10 candles for a cake. Jenna wants to put the 10 candles into 5 rows of 4 candles. The candles do not form a rectangle. How can the 10 candles be placed on the cake?

A packaging company is manufacturing cardboard boxes without a lid that measure 3" long, 1" wide and 1" high. They will be cut by using a geometric net where each side of the base is simply folded down flat (Like a cross). The boxes will be cut from sheets of cardboard that measure 1 yard by 1...