The equation of a line is y-mx+b with m being slope and b being y-intercept. Using the values provided in your problem, your answer would be y=2/3x+9, or C.
M∠1 = 45°
m∠2 = 135°
m∠3 = 135°
m∠4 = 135°
m∠5 = 45°
m∠6 = 90°
m∠7 = 90°
m∠8 = 90°
m∠9 = 135°
Answer:
About $0.2708 per unit ' each can '.