Jared buys 4 more oranges than steven. greg buys twice the number of oranges as steven. they but 10 oranges all together. what is an equation for this?

Asphere has a diameter of 10 in. what is the volume of the sphere?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

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.)