Find the real solutions of the equation by factoring.3x - 5 = 27x3 - 45x2
A. 
B. 
C. 
D. 
Answer: C
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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 caffeine cause birth defects?
A. Experiment without blinding B. Experiment with single blinding C. Case-control study D. Experiment with double blinding E. Observational study
Factor.36 - 12x + x2
A. (6 + x)(6 - x) B. (6 - x)2 C. (6 + x)2 D. prime
Perform the indicated operation.
A. 10 B. 2 C. -2 D. -10
Enrico has to draft a triangular roof to a house. (See the illustration.) The roof is 30 ft wide. If the rafters are 26 ft long, at what angle will the rafters be laid at the eaves? Assume no overhang. Round your answer to the appropriate number of significant digits.
A. 55.4 o B. 57.9 o C. 57.5 o D. 54.8 o E. 55.9 o