What must be included in an algebraic expression?

A an equals sign
B at least one variable
C one or more numbers
D more than one operation

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.)

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.