Perform the indicated operation.v = 
, u = 
3v + 2u
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write the numeral as a Hindu-Arabic numeral.??
A. 87 B. 89 C. 85 D. 82
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Evaluate.50
A. -1 B. 0 C. 1 D. 5
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Simplify. Assume that variables can represent any real number.
A. -2b
B. -2
C. -2b3
D. Not a real number
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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 white and the light grey to dark grey. Use matrix addition to accomplish this.
A. 
+ 
= 
B. 
+ 
= 
C. 
+ 
= 
D. 
+ 
= 
Mathematics