Which expression is equivalent to (2n – 3)? 8/9n-1 1/3
2n - 1 1/3
2n-3
8/9n - 3
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In a school 2/3 of the students study a language of those who study a language 2/5 study french

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?