Five air-conditioning units are checked and recharged with refrigerant R-134a.  A full cylinder of R-134a contains 32 pounds of refrigerant.  These amounts are taken from a full cylinder: 7 1/2 pounds, 8 2/3 pounds, 5 1/4 pounds, and 4 7/8 pounds.  How many pounds of R-134a are left?

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


5 17/24

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The pseudo-random number generator equation given by


What will be an ideal response?

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Before replacing parts such as bits, blades, or discs on any tool, you must _____

a. polish it with a fine steel wool b. recharge the tool's battery c. disconnect the power source d. inspect them for cracks

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The voltage drop of the zener diode is ____________________.

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

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Although only about 2 to 5 percent of the total P in most surface soils is in organic form, this form supplies nearly all the P taken up by plants

Indicate whether the statement is true or false

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