If they were to win $30 they would expect to get $27 in profit.
If they were to win $10 they would expect $7.
If they were to win $0 they would expect $-3 in profit, so technically if they win nothing they lose money.
Hope I could help! :D
Answer:
x ≤ 10
Step-by-step explanation:
The sign that I used means less than or equal to. So that means that there can either be 10 people exactly, or less than 10 people.
we can pretty much use any of the 3 double-angle identities for cosine, so
