Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = - 
, tan ? > 0Find cos(2?).
A. - 
B. 
C. 
D. 
Answer: C
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Use the root test to determine if the series converges or diverges.
A. Converges B. Diverges
Solve the systems of equations by the addition method. 
A. 
B. {(7, 28)}
C. no solution; ?
D. {(2, 4)}
Is the following correspondence a function?Domain: All students attending the University of OhioCorrespondence: Each student's teachersRange: A set of teachers
A. Yes B. No
Solve the problem by writing and using a system of linear equations.A national wildlife refuge in Michigan has 123 thousand more trees than a national wildlife refuge in Ohio. The total number of trees for both is 361 thousand. Find the number of trees for each.
A. Ohio: 119 thousand trees Michigan: 242 thousand trees B. Ohio: 123 thousand trees Michigan: 238 thousand trees C. Ohio: 123 thousand trees Michigan: 246 thousand trees D. Ohio: 69 thousand trees Michigan: 192 thousand trees