What is the quotient start fraction seven superscript -4/7 super script -9 in fraction start fraction 1/7 superscript 13 in fraction start fraction 1/7 super script five in fraction seven super script 57 superscript 13

Can someone me with the property questions for 12 13 and 14 plz

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

I’m confused on how to work the pie charts