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What is the surface area

Which graph represents the parent function of y=(x+2)(x-2)

What is the benefit of converting measures in a ratio to the same unit

Acertain drug is made from only two ingredients: compound a and compound b. there are 3 millimeters of compound a used for every 4 millimeters of compound b. if a chemist wants to make 693 milliliters of the drug, how many milliliters of compound a are needed?