Find an equation of variation for the given situation.y varies jointly as x and the square of z and inversely as w , and y =  when   and 

A. y = 
B. y = 
C. y = 
D. y = 


Answer: A

Mathematics

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Subtract.6x4?+ 9x3?+ 1

A. 5x4 + 14x3 + x2 - 3x + 1 B. 5x4 + 4x3 - x2 - 3x + 1 C. 5x4 + 14x3 - x2 + 3x + 1 D. 5x4 + 14x3 + x2 - 2x

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Express in terms of logarithms of a single variable or a number.log11 

A. log11 19 - log11 y - log11 x
B.  log11 19 - 2 log11 y - log11 x
C. 9 log11 19 - 2 log11 y - log11 7
D.  log11 19 - 2 log11 y - 2 log11 x

Mathematics

Find the value of the annuity at the end of the indicated number of years. Assume that the interest is compounded with the same frequency as the deposit. mnrt$200semiannually8%25?

A. $31,101.10 B. $94,380.67 C. $14,621.19 D. $29,507.13 E. $30,533.42

Mathematics

Simplify.

A. 4m4p2
B. 4mp 
C.
D.

Mathematics