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Rebecca R.'s Resources


I make a point of asking every new coworker I get whether they felt that they had a fulfilling and enriching education. No, I don't do this to be creepy, or to seem nerdy. I do this because I want to make a difference in the lives of our children. I want to be able to help children explore the boundaries of their minds. I want to be a teacher, and I want to see where the community I live in is... read more


First, we have to start by distributing the middle operator to all the terms in the second expression. This simplifies the two expressions into one long one:   -4 + v2 - (-3v2) - 3 -4 + v2 + 3v2 - 3   At this point, we can arrange the expression to group...


Really, the parentheses do nothing more than make it confusing. Throw them aside by distributing the middle operator:   11m2 - 2mn + 8n2 + 8m2 + 4mn + (-2n2)     <-------- At this stage, you start grouping by variables   11m2 +...