What is expanded form for 1334567•12

Answer for 10 points show work you guys in advanced < 3

Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)

3.4a=57.8 what is the the value of a