Perform the operation. Write the answer as a fraction in lowest terms.
? 
A. 
B. 
C. 
D. 1
Answer: B
Mathematics
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Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Mathematics
Find the inverse using composition.f(x) = x2 - 16, x ? 0
A. f-1(x) = 
B. f-1(x) = x2 + 16
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Solve the problem.A piece of cheese weighing 
pound is to be divided into 6 equal portions. What will be the weight of each portion?
A. 
pound
B. 
pound(s)
C. 15 pounds
D. 2
pound(s)
Mathematics
Solve. Use the principle of square roots.x2 + 2 = 227
A. 113.5 B. 15 C. ±15 D. ±14
Mathematics