Evaluate the expression.1 + (-2) - (-12)

A. -9
B. -11
C. 11
D. -13

Answer: C

Mathematics

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Calculate using the rules for order of operations.

A. - 
B.
C.
D. - 

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Add or subtract as indicated. Write the answer in simplest form.-  -  

A. 1
B. - 
C. - 
D. -1

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Solve. Give your answer as a mixed numeral.June wants to work for 13 hours at her part-time job this week. She has already worked 2 hours. How many more hours does she need to work?

A. 9 hr
B. 10 hr
C. 11 hr
D. 10 hr

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Mathematics

Determine whether the point p is in the convex hull of S.S = {v1, v2, v3, v4}v1 = , v2 = , v3 = , p = ,

A. p ? conv S.  p = v1 + v2 + v3 
B. p ? conv S.  p = 2v1 + 3v2 - 4v3 
C. p ? conv S.
D. p ? conv S.  p = v1 + v2 - v3 

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Mathematics