Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.an = n(n - 6)

A. no
B. yes, 1
C. yes, -6
D. yes, 6

Answer: A

Mathematics

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Solve.Sue buys a house which has a rectangular yard measuring 13.4 meters by 10.5 meters. In one corner of the yard is a rectangular shed measuring 2.5 meters by 3.4 meters. Sue intends to grow grass in the whole of the yard. What is the area of the yard excluding the shed?

A. 140.70 m2 B. 1322.0 m2 C. 2.5 m2 D. 132.20 m2

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Mathematics

Write the number in scientific notation.0.000348

A. 3.48 × 10-5 B. 3.48 × 10-4 C. 3.48 × 104 D. 3.48 × 10-3

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Mathematics

Evaluate the sum.

A. -25 B. 53 C. 5 D. -10

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Mathematics

Solve the equation. First simplify the expression by combining like terms.- (x + 4) - (x - 8) = x + 8

A. - 
B. - 
C. - 
D. - 

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Mathematics