Perform the operations indicated. Write your answer in simplest form.-4 - 8
A. -12
B. -4
C. 12
D. 4
Answer: A
Mathematics
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Provide an appropriate response.Consider the following preference schedule.
If the winner is decided by pairwise comparisons, which of the following fairness criteria is violated?
A. Fairness Criterion 3 B. Fairness Criterion 1 C. Fairness Criterion 2 D. None of these
Mathematics
Find the product.(9)(-5)(-5)
A. -90 B. 235 C. 225 D. -225
Mathematics
Find the y-intercepts for the parabola whose equation is given. If the y-intercepts are irrational, round your answers to the nearest tenth.y = x2 + 4x
A. y-intercept (0, 0) B. No y-intercept C. y-intercept (0, 4) D. y-intercepts (0, 0) and (-4, 0)
Mathematics
Solve the systems of equtions using the addition method. 
A. {(-1, 3)} B. no solution; ? C. {(0, 3)} D. {(0, 2)}
Mathematics