Use the properties of logarithms to evaluate the expression.log 10-12
A. log -12
B. -12
C. 12
D. 12 log 10
Answer: B
Mathematics
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The polar coordinates of a point are given. Find the rectangular coordinates of the point.
A. 
B. 
C. 
D. 
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Provide an appropriate response.A markup rate of 35% based on sales price converts to a 45% markup rate based on cost.
A. True B. False
Mathematics
Find the rectangular form for the indicated power of the complex number.z4; z = 
A. - 
+ 
i
B. - 
- 
i
C. - 
- 
i
D. - 
+ 
i
Mathematics
Data are given for y as a power function of x. Write an equation for the power function, and state its power and constant of variation. 
A. y = 
; Power = 
; constant of variation = 1
B. y = 0.5x ; Power = 1; constant of variation = 0.5
C. y = 2
; Power = -3; constant of variation = 2
D. y = 2
; Power = 
; constant of variation = 2
Mathematics