A roof has a 30° pitch to it.  How much higher is the roof 12 ft. from the edge?? 

Fill in the blank(s) with the appropriate word(s).


6 ft.

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The population growth of the American colonies by 1775 is attributed mostly to

A. white immigration from Europe. B. the natural fertility of Native Americans. C. the importation of slaves from Africa. D. the influx of immigrants from Latin America. E. the natural fertility of all Americans.

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Technician A says if a timing belt or chain becomes excessively worn, it is possible that a change in valve timing accuracy will result. Technician B says an excessively worn timing chain or belt can cause the timing to jump. Who is correct?

A. Technician A B. Technician B C. Both A and B D. Neither A nor B

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Pesticide ____________________ is most common on slopes

Fill in the blank(s) with correct word

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Why should a universal torch wrench be used to install and remove oxyacetylene fittings?

a. It is supplied with the equipment. b. Oxyacetylene fittings are special non-standard sizes. c. Using standard wrenches can overtighten the fittings. d. There is no specific reason, it is just industry policy.

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