Dave and Stephanie have competing refreshment stand businesses. Dave's profit can be modeled with the polynomial 3c2 + 9c - 100 where c is the number of items sold. Stephanie's profit cand be modeled with the polynomial c2 - 7c - 200. Write a polynomial that represents the difference between Stephanie's profit and Dave's profit.
A) 2c2 + 16c + 100
B) -2c2 + 16c - 100
C) 2c2 + 16c - 300
D) 4c2 + 2c + 300
PLEASE I NEED HELP ASAP

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.)