20 students were surveyed and the following data was gathered.
GR
2.1
167
10
.
200
1.6
16
155
27
197
35
.
3
377
38
2.
OT
What do you think the purpose of this survey is? Explain.
ATTENTION: Teacher graded.
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What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality