Write a quadratic equation having the given solutions.-7, 5
A. x2 - 35x - 2 = 0
B. x2 - 2x - 35 = 0
C. x2 + 2x - 35 = 0
D. x2 + 35x - 2 = 0
Answer: C
Mathematics
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Solve the problem.An election is held among 21 candidates. What is the total number of pairwise comparisons in this election?
A. 
B. 212
C. 221
D. 21
E. 21 × 2
Mathematics
Evaluate the expression.
A. 70 B. 1680 C. 140 D. 35
Mathematics
Write a word name for the given decimal notation.0.5385
A. Five thousand three hundred eighty-five ten-thousandths B. Five thousand three hundred eighty-five hundred-thousandths C. Five thousand three hundred eighty-five thousandths D. Five thousand three hundred eighty-five hundredths
Mathematics
Simplify. Assume that any variables are positive.
A. 
B. 7
C. 
D. 
Mathematics