Question

Question in the photo

Answer 1

Speed = 19 mph

Explanation:

The speed of the ship is the slope of the line. Use these 2 points to find the slope: (0, 28) and (4, 104)

formula for slope: m = (y2 - y1) / (x2 - x1)

slope = (104 - 28) / (4 - 0) = 76/4 = 19

Speed = 19 mph