A heavy rope, 40ft long, weighs 0.7lb/ft and hangs over the edge of a building 110 ft high. How much work is done in pulling the rope to the top of the building?
a. 670 ft-lb
b. 650 ft-lb
c. 560 ft-lb
d. 630 ft-lb
e. 660 ft-lb
c. 560 ft-lb
Mathematics
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Are the given lines parallel, perpendicular, or neither? -3x+ 7y- 2= 0 , 7x+3y+3- 0
(a) parallel (b) perpendicular (c) neither
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Tell whether the relation is a function.?
A. Function B. Not a function
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Classify the statement as true or false.{10} ? {8, 10, 12, 14}
A. True B. False
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