Tickets for a raffle cost $ $14. There were 681 tickets sold. One ticket will be randomly selected as the winner, and that person wins $ $1300 and also the person is given back the cost of the ticket. For someone who buys a ticket, what is the Expected Value (the mean of the distribution)

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

If i have 20$ and i gave 5$ away how much i got