Which of the following makes this a procedural document

Asphere has a diameter of 10 in. what is the volume of the sphere?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad