Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Refer to the following preference schedule.
Find the winner by the method of pairwise comparisons.
A. C B. A C. D D. B
Mathematics
Find an expression equivalent to the given expression.
A. -cosh x B. -sinh x C. sinh x D. cosh x
Mathematics
Identify the degree of the polynomial.-a + 9a3 - 5a7 + 2a2
A. 3 B. 12 C. 7 D. 13
Mathematics
Write the equation of a line that passes through the given point and is perpendicular to the given line. Write the equation in the form Ax + By = C, where A, B, and C are integers and A > 0.(1, 8); y = 5x - 15
A. x + 5y = -41 B. x + 5y = 41 C. x - 5y = -39 D. x - 5y = 39
Mathematics