A technician orders several items to fix a hot water heating system as follows: acid core solder at $2.62; solder paste at $0.67; a stop valve at $3.15; a 90° elbow at $0.45; and 1/2-inch copper tubing at $6.25.  What is the total cost of the items ordered?

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


$13.14

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By 1850, the South

A. was experiencing serious economic difficulties. B. feared that slavery might be abolished in states where it already existed. C. remained concerned about its weak voice in national government. D. was relatively well off, politically and economically. E. recognized that slavery's expansion was over.

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The number of man-hours to produce 100 bushels of wheat on 3 acres in 2000 is:

a. 45 c. 4 b. 15 d. 2

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A(n) ____ guides researchers as to what to look for when coding

a. coding sheet b. cheat sheet c. answer guide d. answer key

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In most electronic circuits, resistors of ____ tolerance are satisfactory.

A. 2% B. 5% C. 10% D. 20%

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