Nissan appliances bought two dozen camcorders at a total cost of $3,864. the markup on the camcorders is 30% of the selling price. what was the original selling price of each camcorder?

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.)

3x + 4y = 5 x- 3y = -7 solve by substitution

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?