Simplify.(x-1 + y-1)-1
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.y = 1x4 + 4x - 7
A. y-axis B. x-axis C. origin D. x-axis, y-axis, origin E. none
Mathematics
Use the following diagram of the streets in a residential neighborhood to answer the question. 
A woman walks her dog around the neighborhood each morning. Beginning at her home, point H, is it possible for her to walk along each block of the neighborhood just once and end up back home?
A. No B. Yes
Mathematics
Find the difference.
- 
A. 
B. - 
C. - 
D. 
Mathematics
Perform the indicated operations.( 7x2y - 2xy2 + 2xy - 5) + ( -3x2y - 8xy2 + 5xy + 8)
A. 5x2y2 - 13 B. 4x2y - 10xy2 + 7xy + 3 C. 10x2y - 9xy2 + 8xy + 13 D. -4x2y + 10xy2 + 7xy + 3
Mathematics