Find the product. 

A. 4x2 - 
B. 4x2 - x - 
C. 2x2 - 
D. 4x2 + 

Answer: A

Mathematics

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Combine like terms.-7.9(3r + 10) + 7.1(7r + 7)

A. 26r - 29.3 B. -4.9r + 2.1 C. -102.7r D. 26r + 10

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Determine the least common denominator (LCD). , , and 

A. 30 B. 12 C. 20 D. 60

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Mathematics

Provide an appropriate response.Find: f(x)

Fill in the blank(s) with the appropriate word(s).

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Mathematics

Write the augmented matrix for the system. 8x + 2z = 46  3y + 7z = 20 5x + 7y + 7z = 86

A.
B.
C.
D.

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Mathematics