The bill at a restaurant is $160. You leave a 20% tip. What is your total restaurant bill, including the tip?

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

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.)

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab