Find the difference. Check by adding.552 - 67

A. 485
B. 475
C. 497
D. 585

Answer: A

Mathematics

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Graph the piecewise-defined function.

a.
b.
c.
d.

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Write the matrix equation as a system of linear equations without matrices. = 

A. -7x1 + x2 + x3 = -8   x1 - 5x2  = 8 B. -7x1  = -8   x1 + x2  = 8 -8x1 - 5x2  = -7 C. -7x1 + x2  = -8   x1 + 8x2 = 8 -8x1 - 5x2 = -7

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Determine whether the statement is true or false.The sum of zero and a positive number is always a negative number.

A. True B. False

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Does the pair of triangles appear to be similar? Write similar or not similar.

A. Similar B. Not similar

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Mathematics