Answer:
i think its 4 × 3 × ? = 36
Step-by-step explanation:
i hope this helps
if not i am really sorry
Answer:
y = 4x - 1
Step-by-step explanation:
A negative times a negative is a positive. I am not sure if that's the question, but hopefully that helps if it was.
Answer:
b. $28
Step-by-step explanation:
We have these following probabilities:
0.4 = 40% probability of $40
0.2 = 20% probability of $30
0.2 = 20% probability of $20
0.2 = 20% probability of $10
The expected value is:
We multiply each value by its probability. So

So the correct answer is:
b. $28