In a survey it was determined that the demand equation for VCRs is given by
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The demand equation for blank VCR tapes is given by
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where p and q denote the unit prices, respectively, and x and y denote the number of VCRs and the number of blank VCR tapes demanded each week. Determine whether these two products are substitute, complementary, or neither.
What will be an ideal response?
substitute
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Evaluate the logarithm without the use of a calculator.log1/5 625
A. - 
B. -4
C. 
D. 4
Solve the problem.Assume that the table below gives the median weekly earnings in 2001 for men and women in various age groups. Weekly Earnings ($) by Age Group 
Suppose that, in 2002, the median weekly earnings for men increased by 7% in all age groups and the median weekly earnings for women increased by 4% in all age groups. What 2 × 2 matrix could be multiplied by the matrix below to find the median weekly earnings in 2002 for men and women in various age groups? 
A. 
B. 
C. 
D. 
Factor out the greatest common factor.3x2y7 + 12x2y6
A. x2y6(3y + 4) B. 3x6y2(y + 4) C. y + 4 D. 3x2y6(y + 4)
Simplify.(x-1 + y-1)-1
A. 
B. 
C. 
D. 