Please answer the question below. SHOW ALL WORK! A bag has 6 red marbles, 3 blue marbles, and 1 orange marble. In a game to raise money for a class trip; parents pay $5 and pull a marble randomly from the bag. The payout is $10 for pulling an orange marble, $4 for a blue marble, and $1 for a red marble. How much can the class expect to earn per game?

A researcher is interested in determining if sleeping more hours the night before an exam will improve student math practice test scores. She randomly divides the class into two groups. One group is instructed to sleep 9 hours. The other group is instructed to sleep 6 hours. Students were asked to complete a practice math test the following day. The researcher then compares the average test score of each group. What is the IV? the class the researcher average score Sleep (9 hours vs 6 hours)

Company A pays $41,500 yearly with a guaranteed raise of $1,300 per year. Company B pays $44,000 yearly with a guaranteed raise of $700 per year. Which company will pay more for the first 6 years of employment, and how much more? Which company pays more for the first 6 years of employment? Select the correct answer below and, if necessary, fill in the answer box to complete your choice. Company B pays $ Company A pays $ Both companies pay the same amount, $ There is not enough information. more. more.

A bag contains 20 marbles. 9 of them are red, 4 are black, and the rest are gold. Picking a red marble is worth $18. Black marbles are worth $10, and Gold marbles are worth $5. If you are charged $10 each time you pick a marble, how much should you expect to win or lose overall by playing this game 5 times? (You don't need a dollar sign, just the number. If you expect to lose money, use a - for negative) Plz explain.