Meghan, who is 65 inches tall, casts a shadow 42 inches long. find the angle of elevation of the sun to the nearest degree. someone me out .

When y’all answer can y’all explain too !

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

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.)