Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.The amount of markup on a store item is $15. Find the cost to the store if the markup is 20%.
A. $3.00
B. $75.00
C. $12.50
D. $18.00
Answer: B
Mathematics
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If a = 470 and í = 35, what is c?
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b. 573.8
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d. 613.9
e. 735.9
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Find the work done by a force F= i+5j+7k that moves an object from the point (3,0,5) to the point (7,5,10) along a straight line. The distance is measured in meters and the force in newtons.
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Find the cross product and determine whether the proportion is true or false.
= 
A. 144 = 144; true B. 18 ? 288; false C. 72 = 72; true D. 36 ? 144; false
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Find the exact value of the square root without a calculator.-
A. 25 B. -312 C. 312 D. -25
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