Simplify the expression.57 – 12 ÷ 4 • 3

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?

Interpret the following expression (5y^2-7)^3/(2y)^2

Two consecutive negative integers have a product of 30. what are the integers?