Melinda bought 6 bowls of for $13.20 what was the unit rate in dollars

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

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

Ithink i know it but i want to be sure so can you me out ?