Solve the equation by expressing each side as a power of the same base and then equating exponents.3(3x - 6) = 27
A. {-3}
B. {3}
C. 
D. {9}
Answer: B
Mathematics
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Solve the problem.Find the average value of the function 
from x = 3 to x = 5.
A. 
(e15 - e9)
B. e15 - e9
C. 
(e5 - e3)
D. 
(e15 - e9)
Mathematics
Perform the indicated operation. Write the answer in the form a + bi.
(cos 16° + i sin 16°) ? 
(cos 14° + i sin 14°)
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
+ 
i
Mathematics
Graph the polar equation.r = 2 - 2 sin ? 
A. 
B. 
C. 
D. 
Mathematics
Find the direction angles of the vector. Round to the nearest degree, if necessary.v = -2i + 3j - 4k
A. ? = 112°, ? = 124°, ? = 138° B. ? = 119°, ? = 43°, ? = 166° C. ? = 115°, ? = 51°, ? = 147° D. ? = 113°, ? = 55°, ? = 140°
Mathematics