What equation represents the proportional relationship displayed in the table? x 2 4 6 8 y 10 20 30 40 Enter your answer by filling in the box to complete the equation. y = x Question 3 (1 point) The graph shows a proportional relationship between the number of kilometers traveled by a bicycle (y) and the number of minutes (x). graph with x axis labeled time in minutes and y axis labeled distanced traveled in kilometers. a line starts at the origin 0 comma 0 and runs through the point 40 comma 12 What is the unit rate, expressed in kilometers per minute? Question 3 options: 0.33 km/min 0.30 km/min 3.10 km/min 3.33 km/min