You need to mix 42 kilograms of mortar. Each kilogram of mortar mix requires 0.03 liters of water. How many

liters of water do you need? (Round your answer to the nearest tenth of a liter.)

a. 1.2 liters
b. 1.3 liters
c. 12.6 liters
d. 13.2 liters


b

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?When hydrocarbon molecules have only single covalent bonds, they are considered ____.

A. ?saturated B. ?hydrolyzed C. ?monounsaturated D. ?polyunsaturated

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The most commonly replaced part of a two-stroke engine crankshaft is the ____________________ and its bearing.

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

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Technician A says carbon-removal additives are work well when added prior to removing the engine. Technician B says carbon-removal additives should be used only in a well-ventilated area. Who is right?

A. Technician A B. Technician B C. Both technicians D. Neither technician

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A KD unit is a metal door frame that is _____.

a. unassembled b. fully assembled c. kiln-dried d. properly welded

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