Evaluate.
2
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Find the work done in winding up a 150-ft cable that weighs 5.00 lb/ft.
A. 1880 ft ? lb B. 169,000 ft ? lb C. 11,300 ft ? lb D. 56,300 ft ? lb
Solve the equation.
= 7
A. 8 B. 3 C. 9 D. 14
Solve the problem.Use Newton's Law of Cooling to find the temperature in the following case. A glass of water with a temperature of 3°C is placed in a room with a temperature of 20°C. One minute later the water has warmed to 8°C. After how many minutes does the water have a temperature that is 80% of the ambient temperature?
A. ? 15 min B. ? 4 min C. ? 7 min D. ? 11 min
Find the coordinates of the midpoint of the line segment joining the points.(3.1, -5.4) and (-6.6, -7.5)
A. (4.85, 1.05) B. (9.7, 2.1) C. (-3.5, -12.9) D. (-1.75, -6.45)