Evaluate the expression using the given values.-8xy + 9y - 4
x = 5, y = -3
A. 89
B. 97
C. -151
D. 93
Answer: A
Mathematics
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Use an identity to write the expression as a single trigonometric function or as a single number.2 sin 8° cos 8°
A. sin 16° B. sin 4° C. cos 16° D. cos24°
Mathematics
Solve the proportion.
= 
A. {15}
B. 
C. 
D. {6}
Mathematics
Determine whether the specified paradox occurs.A town has 13 police officers to be apportioned among 3 precincts based on the population of each precinct. The populations for the years 1998 and 1999 are given in the following table. 
Does the population paradox occur using Hamilton's method of apportionment?
A. Yes B. No
Mathematics
Solve. Then graph the solution.x2 - 7x ? -12
A. (-?, 3]
B. (-?, 3] ? [4, ?)
C. [3, 4]
D. [4, ?)
Mathematics