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A home security company provides security systems for $5 per week, plus an installation fee. The total fee for 12 weeks of service is $210. Write and solve a linear equation to find the cost of the installation
asked
Oct 26, 2017
Mathematics
middle-school
1
answer
0
votes
12.0k
views
What makes an atom of one element different from atoms of any other element
asked
Aug 26, 2017
Chemistry
middle-school
1
answer
4
votes
144k
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