Solve the system by substitution.
A. 
B. (0, 0)
C. (4, 7)
D. 
Answer: A
Mathematics
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Perform the indicated operation.3(4x2 + 2x - 7) - 4(2x2 - 5x + 3)
A. 4x2 - 3x - 4 B. 4x2 + 26x - 33 C. 4x2 + 26x - 9 D. 4x2 - 14x - 33
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Complete the identity.csc x(sin x + cos x) = ?
A. 1 + cot x B. sin x tan x C. sec x csc x D. -2 tan2 x
Mathematics
Divide and simplify.
A. 2
B. 2
C. 4
D. 4
Mathematics
A surveyor lays out a traverse with three vertices as shown. How can deductive reasoning be used to determine whether the traverse “closes”?
Mathematics