Answer:
c
Step-by-step explanation:
Answer:
791.2 ft
Step-by-step explanation:
The cable is inclined and this acts as the hypotenuse. Since the other two sides are given.

where x and y represent the distance between two cliffs apart and difference in heights. Substituting 740 for x and 280 for y then

2/5 ≥ x - (4/5). add 4/5 to each side
6/5 ≥ x