Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine if the series converges absolutely, converges, or diverges.
A. Converges absolutely B. Diverges C. converges conditionally
Mathematics
Solve the problem.Your bank account has $97 in it when you write checks for $41, $45, and $21. You then deposit $53 and $35. How much is in the account? Are you overdrawn?
A. -$116, yes B. $78, no C. $116, no D. $99, no
Mathematics
Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth.
10 mi
A. 9 mi B. 82 mi C. 12.806 mi D. 164 mi
Mathematics
Find the real solutions of the equation.2x4 - 15x3 + 45x2 - 45x + 13 = 0
A. 
B. 
C. 
D. 
Mathematics