Solve the system of equations.y + 5z=21-3x + y+ 2z =12-2x+ 2z =10
A. (-1, 1, 4)
B. (1, 2, 6)
C. (-1, -4, 5)
D. (1, 3, 6)
Answer: A
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (2-2)0
A. 1
B. 
C. 0
D. -4
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Multiply.(-14x3)(-1)
A. -14x3 B. 14 C. 14x3 D. 1
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Use the given functions to find the requested function.f(x) = 
, g(x) = 
Find (f + g)(x).
A. 4x
B. 
C. x
D. 
+ 
Mathematics
Decide whether the equation describes a function.y = 5x2 - 8x + 8
A. yes B. no
Mathematics