Solve the system.x + y + z = 6  x - z = -2  y + 3z = 11

A. {(-1, 2, -3)}
B. {(1, 2, 3)}
C. {(0, 1, 2)}
D. ?


Answer: B

Mathematics

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A. 1666 B. 1656 C. 1756 D. 1646

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Determine where the function is increasing and where it is decreasing.f(x) = -x2 - 2x + 8

A. increasing on (9, ?) decreasing on (-?, 9) B. increasing on (-?, 9) decreasing on (9, ?) C. increasing on (-1, ?) decreasing on (-?, -1) D. increasing on (-?, -1) decreasing on (-1, ?)

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Factor the trinomial completely. If the polynomial cannot be factored, write "prime."4x3y3 - 4x3y2 - 80x3y

A. 4x3y(y - 4)(y + 5) B. x3(4y2 + 16y)(y - 5) C. 4x3y(y + 4)(y - 5) D. prime

Mathematics