Troy and Lisa were shopping for school supplies. Each purchased different quantities of the same notebook and thumb drive. Troy bought six notebooks and five thumbdruves for $83. Lisa bought four notebooks and two thumb drives for $38. find the cost of each notebook and each thumb drive.

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.)

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi