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How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?