6. What is the expected value of the probability distribution of the discrete random variable X?

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

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount