Iam f years old and my brother is b years older. what is the sum of our ages? what will be the sum of our ages in three years? what was the difference of our ages two year ago?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?