Solve the problem.Find the average height of the part of the paraboloid  that lies above the .

A. 54
B. 12
C. 18
D. 90


Answer: C

Mathematics

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Find the product.(13csc ? - 7)(13csc ? + 7)

A. 169csc2? - 49 B. 169m2 + 182 csc ? - 49 C. 169m2 - 182 csc ? - 49 D. 169csc2? - 49 csc ?

Mathematics

Find the LCD of the list of fractions.- 

A. 3 B. 252 C. -84 D. 84

Mathematics

Write the rational expression as an equivalent rational expression with the desired denominator. = 

A. (x + 3)(x + 4)(x + 9)
B. (x + 4)(x + 9)
C.
D.

Mathematics

Solve. +  = 18

A. 1,800
B.  
C. 72
D.

Mathematics