Which symbol could be written in both circles in order to represent this system algebraically?

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

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