First round each number to one non-zero digit. Then perform the calculation using the rounded numbers to obtain an estimate.318.44 ÷ (41.9)

A. estimate: 7.5
B. estimate: 8.5
C. estimate: 7.6
D. estimate: 8


Answer: A

Mathematics

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Shade the region in the xy-plane that satisfies the system of inequalities. +  ? 1 +  ? 1

A.

B.

C.

D.

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