Use an appropriate identity to find the exact value of the expression.sin (-165°)
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve by any method. If there is not one solution to a system, state why.
(x + y) = 1
(x - y) = - 
A. No solution, inconsistent system B. (-4, 6) C. (-5, 7) D. (4, 7)
Mathematics
Find length of missing side in the following triangles using the Pythagorean theorem. Round to one decimal place.
A. 148.9 cm B. 12.2 cm C. 4.9 cm D. 4.1 cm
Mathematics
Combine and simplify, if possible.-11
- 9
A. (-2x - 1)
B. -20
C. (-20x - 1)
D. -2
Mathematics
Solve the problem.A woman deposits $129 in the bank, and each month afterward deposits 4% more than the month before. Find an expression for the amount she deposits on the nth month.
A. 129(1.4)n-1 B. 129(1.04) n-1 C. 129(1.04) n D. 129(1.04) n+1
Mathematics