Answer:
100 tickets were sold.
Step-by-step explanation:
If she bought 20 tickets and had a 20 percent chance of winning that means there were 100 sold tickets because 20 percent of 100 would be the 20 tickets she purchased.
Answer:
3
Step-by-step explanation:
because if you are doing negatives it is kinda like subtracting

Answer:
Step-by-step explanation:
The answer is 77.
Answer:
Step-by-step explanation:
F(x) = (x - 2)(x - 9)(x + 4)²(x + 5)
Answer:
0.15
Step-by-step explanation: