Estimate. Choose a rounding digit that gives one or two nonzero digits.28.9 × 3.5

A. 1200
B. 12
C. 12,000
D. 120


Answer: D

Mathematics

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Simplify the exponential expression.(2x)5

A. 10x B. 32x5 C. 32x D. 10x5

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Find the perimeter or circumference. Use ? ? 3.14 when needed.

A. 9.42 yd B. 18.84 yd C. 7.07 yd D. 4.71 yd

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Find an equation of the line that fits the description.Passes through (0, 5) and is parallel to y = - x + 

A. y = x + 5
B. y = x + 5
C. y = - x + 5
D. y = - x + 5

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Use the graph to answer the question. What were the total sales for the first 6 months of 2007?

A. $286,000 B. $302,000 C. $366,000 D. $64,000

Mathematics