(x2+y2) sina cosa -xy=0 find the equation of pair of straight line and also find angle between them.

Use the distributive law to multiply. 3(4x + 5y + 6)

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.)

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)