Solve the quadratic inequality. Write the solution set in interval notation.x2 + 7x ? -12
A. [3, 4]
B. [-4, -3]
C. (-?, 3] ? [4, ?)
D. (3, 4)
Answer: B
Mathematics
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Determine ? in decimal degrees. Round results to an appropriate number of significant digits.cos ? = 0.3152
A. 69.2° B. 71.6° C. 69.19° D. 71.63°
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Calculate the Huntington-Hill number.City A: population 4800, 12 representatives
A. 147,702.308 B. 147,693.308 C. 147,692.308 D. 147,692.408
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Use the power rules to simplify the expression. Use positive exponents to write the answer.(x-2y5)-2
A. 
B. 
C. 
D. 
Mathematics
Find an equation of the tangent line to the curve 
at the point (6,8).
What will be an ideal response?
Mathematics