Answer:

Step-by-step explanation:

That expression is the expected value of your winnings, or "the average amount you will win (or lose) per game in the long run".
The answers are expressions:
(7b*3)+(7b*c)
21b+7bc
I hope I helped!
Answer:
Area = 88 units squared
Perimeter = 40 units
Step-by-step explanation:
The formula for the Area of the parallelogram is base (11) times height (8)
The perimeter is just adding all the outsides together (11 + 11 + 9 + 9)