Solve the equation.x4 = 81
A. -3, 0, 3
B. -9, 0
C. -3, 3
D. 0, 9
Answer: C
Mathematics
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Find the square roots.2209
A. 47, -47 B. 48, -48 C. 94, -94 D. 49, -49
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L'Hopital's rule does not help with the given limit. Find the limit some other way.
A. ? B. -1 C. 0 D. 1
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Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
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Solve.On a map, 1 in. represents 120 miles. How much does 
in. represent?
A. 72 mi B. 62 mi C. 200 mi D. 82 mi
Mathematics