Solve the equation.12x + 21 = 5x + 56

A. 5
B. -5
C. -8
D. 8


Answer: A

Mathematics

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Convert the given unit of measure to the measure shown.20 kilograms to milligrams

A. 20,000,000 milligrams B. 0.02 milligram C. 2000 milligrams D. 0.2 milligram

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Determine whether the set is finite or infinite.{x | x ? N and x ? 1000}

A. Finite B. Infinite

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The graph of a function f is given. Use the graph to answer the question.What is the domain of f?

A. {x|-4 ? x ? 5.5} B. {x|x ? 0} C. {x|-5 ? x ? 5} D. all real numbers

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Solve.Write the largest four-digit number that can be made from the digits 7, 3, 8, and 1 if each digit must be used once.

A. 1378 B. 8731 C. 8713 D. 7831

Mathematics