Students in a Spanish club visited several countries over summer vacation. Eleven traveled to Spain, while 19 visited Costa Rica and 24 traveled to Mexico. Five students visited Costa Rica and Spain while 6 students traveled

to Costa Rica and Mexico. Eight students went to both Spain and Mexico, and 4 students went to all three

countries. If there were 47 students in the Spanish club, how many didn't go to any of the three countries?

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.)

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.