HELP! DUE IN 1 HOUR! Find the equation of the circle centered at $(1,-4)$ with radius 3.

Write your equation in the form "$(x - h)^2 + (y - k)^2 = r^2$".

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

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.)

What is the ratio of the length of an object in yards to the length of the same object in miles?