Find the exact value under the given conditions.cos ? = - 
, 
< ? < ?; sin ? = 
, 
< ? < ? Find tan(? - ?).
A. - 
B. 
C. - 
D. 
Answer: D
Mathematics
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Add or subtract. Simplify your answer to lowest terms.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Provide the requested response.If f(-9) = -7 identify a point on the graph of f.
A. (-7, -9) B. (9, -7) C. (-9, -7) D. (-9, 7)
Mathematics
Use the zero-exponent rule to simplify the expression.(2y)0
A. 2 B. 0 C. 1 D. 2y
Mathematics
Solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.w - x + 2y + z = 2 x + y = 1 y - z = 5
A. {(-12 - 4z, -4 - z, 5 + z, z)} B. {(-12, -4, 5, z)} C. {(-16, -5, 6, 1)} D. ?
Mathematics