The distance all the way around the outside of a circle is known as:

a. radius
b. diameter
c. circumference
d. tangent


c. circumference

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Which of these values indicates a neutral pH?

a. 5 c. 7 b. 6 d. 8

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The factoring method can not be used to solve all quadratic equations.

Answer the following statement true (T) or false (F)

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The different types of terminal units used for hot water heating systems include:

A) Heating only, cooling only, and combination heating-cooling units. B) One-pipe and two-pipe terminal units. C) Series loop, parallel loop, and reverse return loop. D) Baseboard heaters, convectors, fan coil units, and radiators.

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The scroll compressor is one type of reciprocating compressor.

Answer the following statement true (T) or false (F)

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