Which event has a probability of 1/2? Select all that apply. A. rolling a number greater than 6 on a six-sided number cube.
B. Picking a black marble out of a bag of black marbles
C. A flipped coin landing on tails
D. A flipped coin landing on heads or tails
E. Picking a blue marble from a bag of 6 red marbles and 6 blue marbles
F. Rolling an odd number on a six-sided number cube

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

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.)

Select the two pairs of figures that are similar.