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.Adjust the contrast by changing the black to light grey and the light grey to black. Use matrix addition to accomplish this.

A.
 +  = 
B.
 +  = 
C.
 +  = 
D.
 +  = 


Answer: B

Mathematics

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Use a day counting table to find the exact number of days from the first date to the second date. Assume the year is not a leap year unless otherwise indicated.February 23 to October 16

A. 253 B. 254 C. 235 D. 289

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A. Finite B. Infinite

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Use the order of operations agreement to simplify the given expression. 

A. 0
B.
C.
D.

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Find the sum.-17 + 17

A. -17 B. 34 C. -34 D. 0

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