In circle o, central angle aob measures radians. what is the length of arc ab? 6π cm 12π cm 18π cm 36π cm

Can someone me do math because i am having a breakdown rn because i don’t get it

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.)

Choose the more precise measurement. 26.4 cm or 8.39 cm