Solve triangle ABC. Round side lengths and angle measures to the nearest tenth when necessary.a = 12.2, c = 7.8, B = 63.5°
A. No triangle exists.
B. B ? 12.2, A ? 75.1°, C ? 41.4°
C. b ? 13.2, A ? 73.1°, C ? 37.4°
D. b ? 11.2, A ? 77.8°, C ? 38.7°
Answer: D
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In order to answer the given question, which of the following types of study would be the most appropriate: an experiment without blinding, an experiment with single blinding, an experiment with double blinding, an observational study, or a case-control study?Does an hour of meditation per day lower blood pressure?
A. Case-control study B. Experiment with single blinding C. Observational study D. Experiment with double blinding E. Experiment without blinding
Use these sets to find the following. Identify any disjoint sets.Let U = {5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, M = {5, 7, 9, 11}, 
and 
(N ? R) ? Q
A. {5} B. ?; N and R are disjoint sets. C. {5, 7} D. {7}
Write with rational exponents, and then apply the properties of exponents. Assume all radicands represent positive real numbers. Give answer in exponential form.
A. y3/2
B. - y3/2
C. 
D. 
Solve the equation. Give an approximate solution to four decimal places.e5x = 2
A. 0.8047 B. 3.4657 C. 1.0873 D. 0.1386