Ashirt factory made 245 shirts in one week and 185 shirts the next week. if 500 shirts were delivered to a store, how many shirts were not delivered?

What is the value of the digit 1 in the number 13?

Let w=23 . what is the value of w + 45 ?

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.)