Use the coordinates J(7, 8), K(1, 2) and L(5, 2) for △JKL. The orthocenter for △JKL is at point N. What is KN rounded to the nearest tenth?

A. 2.7

B. 4.3

C. 6.0

D. 6.3

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

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.)

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m