P(8 or 12) = 1/6
P(not 8 or 12 = 5/6
Let the expected points fro one roll be X.

The answer is -(1/6) points.
Shortest is 3/4 longest is 1 1/2. 1 1/2 -3/4=3/4
You isolate the v and move 3 units down to the left which leads u to 10. Hope this helped
Answer:
18
Step-by-step explanation:
i just took the test and got a 100% :)
Let S be the number of Brand S snowboards sold.
Let B be the number of Brand B snowboards sold.
309S + 489B = 4299
S + B = 11
S = 6 snowboards sold
B = 5 snowboards sold