Solve the formula for the specified variable.P = 2L + 2W for W

A. W = d - 2L
B. W = P - L
C. W = 
D. W = 


Answer: D

Mathematics

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Find an equation of the tangent line at the indicated point on the graph of the function.y = f(x) = x2 - x, (x, y) = (-3, 12)

A. y = -7x - 6 B. y = -7x - 9 C. y = -7x + 6 D. y = -7x + 9

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Find the work done in the given situation.A constant force F =  moves an object along a vector D = , where units are in pounds and feet.

A. 16 foot-pounds B. 764 foot-pounds C. 772.2 foot-pounds D. -16 foot-pounds

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Solve the problem.Walt made an extra $10,000 last year from a part-time job. He invested part of the money at 7% and the rest at 6%. He made a total of $670 in interest. How much was invested at 6%?

A. $5000 B. $8000 C. $7000 D. $3000

Mathematics