Discrete mathematics
a company offers a raffle whose grand prize is a $35,000 new car. additional prizes are a $900 television and a $600 computer. tickets cost $20 each. ticket income over the cost of the prizes will be donated to charity. if 3,000 tickets are sold, what is the expected gain or loss (in dollars) of each ticket? (round your answer to the nearest cent.)

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

Which equation represents the function on the graph?