Solve the equation.x2 + 12x + 36 = 0
A. {6, 1}
B. {6}
C. {-6}
D. {-6, 0}
Answer: C
Mathematics
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Evaluate the expression.8 ? [4 + 6 ? (5 + 6)]
A. 560 B. 880 C. 876 D. 98
Mathematics
Solve the problem.For what numbers x, -2? ? x ? 2?, does the graph of y = cot x have vertical asymptotes?
A. -2, -1, 0, 1, 2
B. -2?, -?, 0, ?, 2?
C. - 
, - 
, 
, 
D. none
Mathematics
Write the fraction as a decimal. If necessary, use repeating decimal notation.A survey taken in an elementary school revealed that 
of the second-graders did not eat or drink a milk product at least one time every day of the week. Write this amount as a decimal, rounding to the nearest hundredth.
A. 0.22 B. 4.19 C. 0.24 D. 0.76
Mathematics
The payoff matrix for a game is given by
Mathematics