Factor completely. State that the polynomial is prime if it cannot be factored.5x2 - 5x - 30

A. prime
B. (5x + 10)(x - 3)
C. 5(x + 2)(x - 3)
D. 5(x - 2)(x + 3)


Answer: C

Mathematics

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Evaluate the following.Evaluate the following expressions in degree mode.tan-1 + cos-1tan-1 + cos-1tan-1 + cos-1 Use your results to conjecture a

generalization for the triangle below.

A. tan-1 + cos-1 = 90°
B. tan-1 + cos-1 = 90°
C. tan-1 + cos-1 = 90°
D. tan-1 + cos-1 = 90°

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

A.

B.

C.

D.

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Express the number in decimal notation.7.58 × 10-4

A. 0.0000758 B. 0.000758 C. 0.00758 D. -758,000

Mathematics

Solve using the addition principle. Then graph.a - 9 < -17 

A. < -8
 
B. ? -8
 
C. ? -8
 
D. > -8
 

Mathematics