Solve the system of equations using substitution.
A. x = 
, y = 
; x = 1, y = 5
or 
, (1, 5)
B. x = - 
, y = 2; x = 1, y = 5
or 
, (1, 5)
C. x = 
, y = 6; x = - 
, y = 
or 
), 
D. x = 
, y = 
; x = - 
, y = 0
or 
, 
Answer: C
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A city crew must paint the median divider along each of the 48 streets in the neighborhood shown below (starting and ending at A). The foreman wants to organize the route in the most efficient possible way.
An optimal eulerization of the graph that models this problem can be obtained by adding
A. 12 edges. B. 8 edges. C. 6 edges. D. 16 edges. E. none of these
Find the differential of the function.
?
?
A. 
B. 
C. 
D. 
Provide an appropriate response.Indicate whether the following statement is true or false. Interchanging corresponding rows and columns of a matrix changes the sign of the determinant of the matrix.
A. True B. False
Factor.8 + (m + 5n)3
A. [2 + (m + 5n)][(4 - (m + 5n)2] B. [2 + (m + 5n)][(4 + 2(m + 5n) + (m + 5n)2] C. [2 + (m + 5n)][(4 - 2(m + 5n) + (m + 5n)2] D. [4 + (m + 5n)][(2 - 2(m + 5n) + (m + 5n)2]