In my chemistry class, 28 students are given 3 pens. if there are 8 pens in one package, priced at $1.88 per package, what is the total cost of giving away pens?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

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.)