Theo buys a slice of pizza and a bottle of water for $3. Ralph buys 3 slices of pizza and 2 bottles of water for $8. How much does a slice of pizza and a bottle of water cost

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

Arectangular courtyard is 12 feet long and 8 feet wide. a tile is 2 feet long and 2 feet wide. how many tiles are needed to cover the courtyard?

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.