Solve the inequality. Give your answer using interval notation.| 2 - x | ? 9
A. [11, ?)
B. [-7, ?)
C. [-7, 11]
D. (-?, -7] ? [11, ?)
Answer: D
Mathematics
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Choose the expression which is equivalent to the given expression.
A. cos2 20° B. cot 20° C. tan 20° D. sin2 20°
Mathematics
Determine whether the fractions are equivalent.
and 
A. equivalent B. not equivalent
Mathematics
Identify the leading term and leading coefficient of the polynomial.-a + 7a3 - 4a7 + 5a2
A. -a, -1 B. 7a3, 7 C. 5a2, 5 D. -4a7, -4
Mathematics
For problems 2-9 solve the exponential equation. Round any irrational solutions to the nearest ten-thousandth.
A. 
B. 
C. 
D. 
E. None of these
Mathematics