Determine whether the positive or negative sign makes the equation correct.cos 240° = ±

A. Positive sign
B. Negative sign

Answer: B

Mathematics

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Add or subtract as indicated. - 

A.
B.
C.
D.

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Provide an appropriate response.Divide and simplify:  ÷ 

What will be an ideal response?

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Graph the system of inequalities.3x - 2y ? 6 x - 1 ? 0

A.

B.

C.

D.

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Mathematics

List the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = x5 - 4x2 + 6x + 7

A. ± , ± , ± 7
B. ± 7, ± 
C. ± 1, ± 7
D. ± 1, ± 

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Mathematics