Determine the cofactor of a13 the matrix. A=[ matrix 2&-4&0\\ 6&5&7\\ 5&2&0 matrix ]

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

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.)