Solve the equation by completing the square.x2 + 8x = 7
A. {-1 - 
, -1 + 
}
B. {-4 - 2
, -4 + 2
}
C. { 4 + 
}
D. {-4 - 
, -4 + 
}
Answer: D
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Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(7 + 
) (4 + 
)
A. 108 i B. 12 + 64i C. 108 D. 284 + 464i
Provide an appropriate response. Using the law of sines, find b if a = 44, A = 35°, and B = 82° in triangle ABC. Round to four significant digits.
A. 75.97 B. 10.68 C. 77.47 D. 24.99
Find the requested sum of the arithmetic sequence.Find the sum of the first 904 positive odd integers.
A. 819,025 B. 815,409 C. 817,216 D. 818,120
Find the indicated probability.The following contingency table provides a joint frequency distribution for the popular votes cast in the 1984 presidential election by region and political party. Data are in thousands, rounded to the nearest thousand.Political Party
A person who voted in the 1984 presidential election is selected at random. Compute the probability that the person selected did not vote Republican given that they are from the West.
A. 0.885 B. 0.596 C. 0.404 D. 0.078