Solve the inequality algebraically.3.7x + 9.7 ? 19.32
A. x ? 2.6
B. x ? -2.6
C. x ? 2.6
D. x ? -2.6
Answer: A
Mathematics
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A. 6 B. 9 C. 6, -9 D. -6, 9
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Determine whether the Law of Sines or the Law of Cosines should be used to begin to solve the given triangle. Do not solve the triangle.
A. Law of Cosines B. Law of Sines
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Identify the graph of the following ellipse.
?
?
A. ?
B. ?
C. ?
Mathematics
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.(x + 3)(x + 2)(x - 7) > 0
A. (-?, -3) ? (-2, 7)
B. (7, ?)
C. (-3, -2) ? (7, ?)
D. (-?, -2)
Mathematics