Find the standard form of the equation of the circle.Center at (-4, 2) and containing the point (3, 1)
A. (x + 4)2 + (y - 2)2 = 50
B. (x + 4)2 + (y - 2)2 = 5
C. (x - 4)2 + (y + 2)2 = 5
D. (x - 4)2 + (y + 2)2 = 50
Answer: A
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Use the appropriate addition formula to find the exact value of the expression.cos 
A. 
+ 
B. 
C. 
- 
D. 
Solve the rational equation. If there is no solution, state this as your answer.
- 
= 1
A. 
B. 
C. {2}
D. 
A sample statistic and margin of error are given. Find the confidence interval likely to contain the population parameter of interest and answer the question.The CEO of a company claims that 90% of its employees have very high job satisfaction. A poll of the company's employees revealed that 88 percent had very high job satisfaction with a margin of error of 2.4 percentage points. Can we conclude that the CEO was lying?
A. 85.6% to 90.4%; no B. 88% to 90.4%; no C. 86.8% to 89.2%; yes D. 85.6% to 88%; yes
Solve the problem.Write an expression in simplest form that represents the volume of the box.
A. 3a + 2 B. a3 + 3a2 - 7a C. a3 + 2a2 - 8a D. a3 + 8