Solve the system by the substitution or the addition method.
A. 
B. (-2, 11)
C. (-1, -1)
D. (1, -1)
Answer: D
Mathematics
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Write as a radical expression. Simplify if possible.(-169)3/2
A. (
3 = 13
B. Not a real number
C. (
)3 = -13
D. (
)3 = -6.5
Mathematics
Show that the functions f and g are identically equal.f(x) = csc x ? sec x, g(x) = cot x + tan x
What will be an ideal response?
Mathematics
Find the given power. Write answer in rectangular form.
4
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i 
D. 81i
Mathematics
Find the common difference of the arithmetic sequence 
A. 
B. 
C. 
D. 
E. 
Mathematics