Factor completely. State that the polynomial is prime if it cannot be factored.x2 + 2x - 99
A. (x + 11)(x - 9)
B. prime
C. (x - 11)(x + 1)
D. (x - 11)(x + 9)
Answer: A
Mathematics
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Without using the trigonometric function keys, use a calculator and the given trigonometric values to find the indicated value.Given:sin 21° = 0.3584cos 21° = 0.9336tan 21° = 0.3839Find csc 159°.
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Find the area of the polygon.
A. 665 m2 B. 16.5 m2 C. 6.65 m2 D. 66.5 m2
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Find the focus and directrix of the parabola with the given equation.y2 = 28x
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Mathematics