Add or subtract as indicated.-20 + (-10)
A. 30
B. -10
C. 10
D. -30
Answer: D
Mathematics
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Solve the problem.Given the following voter profile, determine who has the majority of first place votes and then use the Borda Method to determine the outcome. Does the Borda method violate the majority criterion for the voter profile? 
A. a, a; no B. a, c; yes C. c, c; no D. c, a; yes
Mathematics
Calculate.7 ÷ 0.07
A. 10 B. 0.1 C. 1 D. 100
Mathematics
Simplify.(4x2 - xy - y2) + (x2 + 9xy - 6y2)
A. 5x2 + 8xy - 7y2 B. 5x2 - 10xy + 7y2 C. 5x2 - 10xy + 5y2 D. 5x2 + 8xy + 5y2
Mathematics
Decide whether the slope is positive, negative, zero, or undefined.
A. Zero B. Negative C. Positive D. Undefined
Mathematics