Solve the equation for the unknown variable.log81 = n
A. n = 64
B. n = 8
C. n = 0
D. n = 1
Answer: C
Mathematics
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For the given function value determine the quadrants in which the terminal side of the angle can lie.cos ? = -0.4
A. I, IV B. II, III C. I, III D. II, IV
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Use a day counting table to find the exact number of days from the first date to the second date. Assume the year is not a leap year unless otherwise indicated.February 23 to October 16
A. 253 B. 254 C. 235 D. 289
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Shade the portion of the diagram that represents the given set.(A ? B) ? 
A. 
B. 
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Find the slope of the line.4x + y = 6
A. 6 B. -6 C. 4 D. -4
Mathematics