Add or subtract as indicated. Simplify the result if possible. If an answer is an improper fraction, write it as a mixed number.
+ 
A. 1
B. 2
C. 3
D. 1
Answer: D
Mathematics
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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = - 
i + 
j; C is the region defined by the polar coordinate inequalities 6 ? r ? 9 and 
A. 117 B. 90 C. 0 D. 27
Mathematics
Solve the problem.You buy a $500 certificate of deposit (CD) and the end of two years you cash it for $551.25. What is the annual yield on this investment?
A. 2.5% B. 6% C. 5% D. 0.05% E. none of these
Mathematics
Solve the equation for solutions in the interval [0°, 360°).sin 2? + sin ? = 0
A. ? = 30°, 90°, 150°, 270° B. ? = 15°, 165°, 195°, 345° C. ? = 105°, 165°, 285°, 345° D. ? = 0°, 120°, 180°, 240°
Mathematics
Use the graph to find the requested value.Find x when f(x) = -2.
A. 2
B. 3
C. 0
D. 
Mathematics