Solve the problem.Evaluate  at (u,v) = (5, 2) for the function w(x, y) = xy - y2; x = u - v, y = uv.

A. 7
B. 3
C. 13
D. -24


Answer: D

Mathematics

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Solve the problem. Round rates to the nearest whole percent and dollar amounts to the nearest cent.The Oak Gallery had a clearance sale during which it sold an oak coffee table for $233. If the cost was $164 and the operating expenses were 25% of cost, find the amount of profit or loss.

A. $17.25 profit B. $28.00 profit C. $28.00 loss D. $17.25 loss

Mathematics

Solve the problem.Suppose that the daily cost C of manufacturing x bicycles is given by  Then the average daily cost  is given by  How many bicycles must be produced each day in order for the average cost to be no more than 

A. {x|x ? 1500}; [1500, ?) B. {x|0 < x ? 150}; (0, 150] C. {x|x ? 15}; [15, ?) D. {x|x ? 150}; [150, ?)

Mathematics

Solve the equation by the square root property.8x2 + 4 = 516

A. {8} B. {258} C. {-8, 8} D. {-9, 9}

Mathematics

Write the equation of the line from the given information. Write the line in slope-intercept form.Slope = - ; passes through (5, 4)

A. y = x - 
B. y = - x - 
C. y = - x + 
D. y = x + 

Mathematics