Task: Question Answering
Input (English): Problem: in x - y plane, there is a right triangle abc ( ∠ b = 90 o ). if the length of ac is 25 and the slope of line segment ac is 4 / 3, what is the length of ab ?
Options: a. 12, b. 18, c. 24, d. 20, e. 40
Output (English): d