Simplify.
A. 
B. 14
C. 
D. 1
Answer: C
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Assign as indicated using the Huntington-Hill method.A police chief wishes to assign ten police officers to three regions. The numbers of incidents reported during an average month in the three regions are as follows:Region 1: 145Region 2: 131Region 3: 89Help the police chief assign the officers to each region. Begin by giving each region one police officer.
A. Region 1: 5; Region 2: 4; Region 3: 1 B. Region 1: 5; Region 2: 3; Region 3: 2 C. Region 1: 4; Region 2: 4; Region 3: 2 D. Region 1: 4; Region 2: 3; Region 3: 3
The ? shape in the figure below is shown using 9 pixels in a 3 × 3 grid. The color levels are given to the right of the figure. Use the matrix 
that represents a digital photograph of the ? shape to solve the problem.
Using the same color levels from the instructions, write a 3 × 3 matrix A that represents the letter L in dark grey on a white background. Then find a 3 × 3 matrix B so that A + B lightens only the letter L from dark grey to light grey.
A.
A = 
; B = 
B.
A = 
; B = 
C.
A = 
; B = 
D.
A = 
; B = 
Use the square root property to solve the equation.(x - 4)2 = 19
A. 
- 
B. 
+ 4
C. -4 ± 
D. 4 ± 
Determine the phase shift of the function.y = 
sin (?x + 5)
A. 
units to the left
B. 5 units to the left
C. - 
units to the left
D. 
units to the right