Solve the problem.For what numbers x, 0 ? x ? 2?, does cos x = 1?

A.
B. 0, 2?
C. , 
D. none

Answer: B

Mathematics

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Solve the system of equations by graphing.x - y = 6x + y = 12

A. (18, 6) B. (9, 3) C. (3, 9) D. (6, 18)

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Perform the indicated operation.-  ? 

A. - 
B. - 
C.
D.

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Tell whether the expression is a polynomial. If it is, give its degree. + 1

A. Polynomial, degree -1 B. Polynomial, degree 0 C. Polynomial, degree 7 D. Not a Polynomial

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Solve the problem.The perimeter of a rectangle is 24 cm. One side is 8 cm longer than the other side. Find the lengths of the sides.

A. Width: 7 cm; length: 15 cm B. Width: 4 cm; length: 12 cm C. Width: 2 cm; length: 10 cm D. Width: 2 cm; length: 8 cm

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