Solve. {y=3x−7 {15x−5y=14 use the substitution method. the solution is (15, 5). the solution is (0, 7). there is no solution. there are an infinite number of solutions.

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

If a is a nonzero real number then the reciprocal of a is