Lovelll the Magician prepares a standard deck of cards by removing all the face cards, aces, and tens, leaving 32 cards in the deck. An audience participant draws a card at random from the 32 remaining cards numbers 2 through 9. If the random variable c represents the value of the card drawn from the deck by the audience participant, what is the expected value of c?

If the ratio of $$2x\ to\ 5y$$   is $$\frac{1}{20}$$  what is the ratio of x to y?

If 3.7 inches of rain fell on Vancouver during the first 4 days of December, and the rain continues to fall at this pace for the rest of the month, approximately how many feet of rain will fall during December? (Note: the month of December has 31 days)

Over 9 games, a baseball team had an average of 8 runs per game. If the average number of runs for the first 7 games was 6 runs per game and the same number of runs was scored in each of the last 2 games, how many runs did the team score during the last game?

The starting team of a baseball club has 9 members who have an average of 12 home runs apiece for the season. The second-string team for the baseball club has 7 members who have an average of 8 home runs apiece for the season. What is the average number of home runs for the statring team and the second - string team combined?

Between which 2 months was the change in total rainfall the greatest?

Based on the information presented in the graph, what is the approximate average monthly rainfall, in inches, in Belleville, IL, for the period given?

At the school cafeteria, students can choose from 3 different salads, 5 different main dishes, and 2 different desserts. If Isabel chooses one salad, one main dish and one dessert for lunch, how many different lunches could she choose?

At the school cafeteria, 2 boys and 4 girls are forming a lunch line, If the boys must stand in the first and last places in line, how many different lines can be formed?