A mason orders 980 bags of masonry cement. On one job, he uses 225 bags, on a second job he uses 110, on a third job he uses 250 bags, and on a fourth job, 125 bags are used. How many bags of masonry cement are left?
What will be an ideal response?
270
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A) Engineering, education, and employee responsibility B) Engineering, education, and elimination of hazards C) Engineering, education, and enforcement D) Engineering, education, and employer liability
If low-voltage and high-voltage cables must be placed in parallel runs, they should be separated by at least 6" (150 mm) in order to protect the low-voltage conductors from _____.
a. noise b. corrosion c. heat d. vibration
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A. Technician A only B. ?Technician B only C. Both A and B D. Neither A nor B
PI-type filters are so named because they _____.
A. add 3.14 V to the input B. multiply the input by 3.14 C. divide the input by 3.14 D. resemble the Greek letter ?