Factor out the GCF from the polynomial.80x9y8 + 24x2y5 + 32x4y3
A. 8x2(10x7y8 + 3y5 + 4x2y3)
B. 8(10x9y8 + 3x2y5 + 4x4y3)
C. 8x2y3(10x7y5 + 3y2 + 4x2)
D. x2y3(80x7y5 + 24y2 + 32x2)
Answer: C
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Which of the following is a justification for being able to construct perpendicular bisectors? ?
A. ?Finding "equal radii" to draw the arcs results in a quadrilateral which is a rhombus. B. ?Finding "equal radii" to draw the arcs results in a quadrilateral which is a square. C. ?Since the diagonals of a rhombus intersect at right angles and therefore make a perpendicular bisector. D. ?Since the diagonals of a quadrilateral are the same length, they intersect at right angles. E. ?None of the above.
Solve the problem.A house was purchased for $79,000. After 9 years the value of the house was $106,000. Express the house's value V(t) in terms of time t in years.
A. V(t) = 3000t B. V(t) = 3000t + 79,000 C. V(t) = 9t + 79,000 D. V(t) = 106,000
Perform the operations indicated. Write your answer in simplest form.- 
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A. 
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D. - 
Use the method of natural frequencies to find the indicated probability.A company manufacturing electronic components for home entertainment systems buys electrical connectors from three suppliers. It buys 23% of the connectors from supplier A, 34% from supplier B, and 43% from supplier C.It finds that 2% of the connectors from supplier A are defective, 3% of the connectors from supplier B are defective, and 5% of the connectors from supplier C are defective. If a customer buys one of these components and finds that the connector is defective, what is the probability that it came from supplier B?
A. 0.127 B. 0.391 C. 0.03 D. 0.281