Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.19, 16, 12, 13, 18, 16, 18, 7, 11
A. 3.7
B. 1.8
C. 4.2
D. 4.0
Answer: D
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Assume triangle ABC has standard labeling. Determine if AAS, ASA, SSA, SAS, or SSS is given, and decide if the law of sines or the law of cosines should be used to solve the triangle.?, ?, and b
A. ASA; law of sines B. AAS; law of sines C. SSA; law of sines D. SAS; law of cosines
Approximate the value using a calculator. Express answer rounded to three decimal places.3.8?
A. 77.476 B. 11.938 C. 36.462 D. 66.289
Use the quadratic formula or graphing methods to solve the inequality.9x2 ? 3 - 3x
A. x ? 
? -0.768 or x ? 
? 0.434
B. x ? 
? -0.768
C. x ? 
? 0.434
D. 
? -0.768 ? x ? 
? 0.434
List the intercepts for the graph of the equation.y = x2 + 12x + 36
A. (0, -6), (0, -6), (36, 0) B. (-6, 0), (-6, 0), (0, 36) C. (6, 0), (6, 0), (0, 36) D. (0, 6), (0, 6), (36, 0)