Find the exact solutions to the quadratic equation, using a method of your choice.3x2 = 39
A. 
B. 13, -13
C. ±
D. 14
Answer: C
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Provide an appropriate response. Use the tangent function to find a of a standard right triangle ABC given b = 243 ft and B = 78.2°. Round to four significant digits.
A. 1,163 ft B. 49.69 ft C. 1,188 ft D. 50.77 ft
Solve the problem.Bob, the incredible shrinking man, loses half of his height each day after he was exposed to a mysterious form of cosmic radiation. How many days before he is literally "knee-high to a grasshopper"? Assume that a grasshopper's knee is 4 millimeters high and that Bob is 2 meters tall. Round your answer to the nearest whole day. (1000 millimeters = 1 meter)
Fill in the blank(s) with the appropriate word(s).
Find the intersection of the given intervals.(7, ?) ? [19, ?)
A. (7, ?) B. [19, ?) C. (7, 19] D. (-?, ?)
Convert the matrix of observations to mean-deviation form, and construct the sample covariance matrix.
A.
S = 
B.
S = 
C.
S = 
D.
S = 