Priya’s cat weighs 5 1/2 pounds and her dog weighs 8 1/4 pounds. First, estimate the number that would complete the sentence. Then, calculate the answer. If your estimate was not close to the answer, explain why that may be. The dog is pounds heavier than the cat.

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