*Loren helped his boss with a big project at work, so the boss rewarded him with a trip to the movies with 4 of his 7 best friends. Is this an example of a combination or a permutation?

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.)

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1