Simplify.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Expand the quotient by partial fractions.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Find the exact value of the expression using the provided information.Find tan(s + t) given that cos s = 
, with s in quadrant I, and 
with t in 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value by using a sum or difference identity.sin 255°
A. 
B. 
C. 
D. 
Mathematics
Find the vertex, focus, and directrix of the parabola. Graph the equation.(x + 2)2 = -4(y + 2)
A. vertex: (2, 2)
focus: (2, 1)
directrix: y = 3
B. vertex: (-2, -2)
focus: (-3, -2)
directrix: x = -1
C. vertex: (2, 2)
focus: (1, 2)
directrix: x = 3
D. vertex: (-2, -2)
focus: (-2, -3)
directrix: y = -1
Mathematics