HELP ASAP plz no bots- Multiply. Express your answer in the simplest form. 7/10 2/5 7/25 1 3/4 14/50 25/7

Could somebody me with this radical simplification?

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

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.