Use the number line to you solve.
count on or count back. show your work.
there are 10 acorns on the ground.
then a squirrel puts 3 acorns in his mouth.
how many acorns are still on the ground?
0
1
2
3
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9
10 11 12

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