Solve the proportion 2/7=c/28
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Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

Find the nonpermissible replacement for binthis expression.b2/5b +5