help this question ¨7/9 of a quantity is equal to what fraction of the quantity?¨ this is a pain please help

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.