Perform the division.
A. 2x + 7
B. 4x + 12
C. 2x - 7
D. - 2x + 7
Answer: A
Mathematics
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Use the given information to find the exact value of the trigonometric function.cos ? = - 
, sin ? > 0
Find cos 
.
A. 
B. 
C. - 
D. - 
Mathematics
Solve the exponential equation. For irrational solutions, round to four decimal places.ex = 0.05
A. {2.9957} B. {-1.0513} C. {1.0513} D. {-2.9957}
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.-6
+ 6i
A. 
cis 50°, 
cis 170°, 
cis 270°
B. 
cis 50°, 
cis 170°, 
cis 290°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 70°, 
cis 190°, 
cis 310°
Mathematics
Classify the angle.
A. Acute B. Right C. Obtuse D. Straight
Mathematics