With max and min do you give the x coordinate or the y coordinate

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

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?