Use the order of operations to simplify the expression.

A. - 
B. -  
C. -  
D. -  


Answer: B

Mathematics

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Solve for the specified variable.I =  for r

A. r = 
B. r = 
C. r = 
D. r =  - IR

Mathematics

Multiply.(5x2y)(4x5y4)

A. 9x7y4 B. 20x10y4 C. 20x7y4 D. 20x7y5

Mathematics

Solve the problem. Round dollar amounts to the nearest dollar.Find the yearly straight-line depreciation of a home theatre system including the receiver, main audio speakers, surround sound speakers, audio and video cables, and blue-ray player that costs $5800 and has a salvage value of $800 after an expected life of 8 years in a hotel lobby.

A. $100 B. $625 C. $800 D. $725

Mathematics

Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.4x2 + 16y2 = 64

A. x-axis B. y-axis C. origin D. x-axis, y-axis, origin E. none

Mathematics