Find the area of a circle with a diameter of 10 units. round answer to the nearest hundredth of a square unit.

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.)

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?