Factor the difference of two squares.81x2 - 25

A. (9x + 5)2
B. (9x - 5)2
C. (81x + 1)(x - 25) 
D. (9x + 5)(9x - 5) 


Answer: D

Mathematics

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Solve the problem.The length of the base of an isosceles triangle is 42.59 meters. Each base angle is 34.17°. Find the length of each of the two equal sides of the triangle. Round your answer to the hundredths place.

A. 51.48 m B. 37.92 m C. 31.37 m D. 25.74 m

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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the . y = 3csc x, y = 3 ? x ? 

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The graph of the given function is drawn with a solid line. The graph of a function, g(x), transformed from this one is drawn with a dashed line. Find a formula for g(x).f(x) = 

A. g(x) =  - 2
B. g(x) = 
C. g(x) = 
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Mathematics