Simplify (x - 4) (x2 + 3x - 1).

A. x^3-x^2+11x+4

B. x^3-x^2-13x+4

C. x^3+7x^2+11x+4

D. x^3+7x^2-13x+4

A rectangle is 5 times as long as it is wide. The perimeter is 70 cm. Find the dimensions of the rectangle. round to the nearest tenth if neccasary.

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What two numbers get 124

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