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Maria has a box of 20 cookies. She gives 2 cookies to each friend. Which expression shows the number of cookies Maria has left after giving cookies to m friends? A. 2m - 20 B. 20 - 2m C. 20m - 2 D. 20
asked
Jun 25, 2017
Mathematics
middle-school
2
answers
5
votes
195k
views
which statement is true about the function f(x)=-x ? a). the domain of the graph is all real numbers. b). the range of the graph is all real numbers. c). the domain of the graph is all real numbers less
asked
Jun 9, 2017
Mathematics
high-school
1
answer
5
votes
25.6k
views
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