Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. 
Answer: C
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Find the area.
A. 160 m2 B. 21 m2 C. 42 m2 D. 80 m2
An undercover police officer is assigned the job of once a night walking each of the 48 blocks of a certain section of town described by the street grid shown below. The walk starts and ends at A. The officer wants to minimize the total number of blocks he has to walk each night.
How many vertices of odd degree are there in the graph representing this problem?
A. 24 B. 20 C. 22 D. 18 E. none of these
Solve for the amount of discount and amount due.Invoice amt: $1806Invoice date: May 19Terms: 3/10, n/60Shipping/Insurance: $33.38Date paid: May 27
A. Amount of discount: $54.18; amount due: $1785.20 B. Amount of discount: $55.18; amount due: $1784.20 C. Amount of discount: $0; amount due: $1839.38 D. Amount of discount: $54.18; amount due: $1718.44
Find the center of the hyperbola.
- 
= 1
A. (-4, 6) B. (6, -6) C. (-6, 6) D. (-6, 6)