In what step is there first an error. Please explain the error, what misunderstandings the student has and how to correctly work the problem.
Given: 2(10 −13) +9 = −34 + 60
Step 1: 20 − 26 + 9 = −34 +60
Step 2: 17 = −34 +40
Step 3: 51x = 40
Step 4: =
40
51

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

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