Find the unknown side, n, in the following pair of similar figures. Round your answer to one decimal place.





A) 32.5

B) 31.5

C) 26.5

D) 33.5

E) 34.5


B) 31.5

Mathematics

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Use reduction formulas to evaluate the integral.

A. -  csc2  cot  - cot  + C
B. -  csc2  cot  - csc  + C
C. -  csc2  cot  - cot  + C
D. -  csc3  cot  + cot  + C

Mathematics

Solve the problem.A vertical right circular cylindrical tank measures  high and  in diameter. It is full of oil weighing   How much work does it take to pump the oil to a level  above the top of the tank? Give your answer to the nearest ft ? lb.

A. 718,796.399 ft ? lb B. 729,854.805 ft ? lb C. 1,725,111.36 ft ? lb D. 862,555.679 ft ? lb

Mathematics

Simplify.

A.
B.
C. 12
D. 1

Mathematics

Find the LCD. Do not combine fractions. , 

A. (5x - 7) or (5x + 7) B. 6x(3x + 10)(5x - 7)(5x + 7) C. (5x - 7)(5x + 7) D. 6x(3x + 10)

Mathematics