<span>Edgar Allan Poe </span><span>was known as a master of suspense and horror, a respected literary critic, the inventor of the modern detective story, and the renowned poet</span>
Final answer: C
The sub dives 37 feet....thats -37...it rises 16 ft....-37 + 16 = -21...then dives 18 ft.....-21 - 18 = - 39 ft
so the net change is -39 ft
Answer:
Step-by-step explanation:
First choose two points on the line,
Let the points are A and B.
From point A to B we are moving downwards by (5 - 1 = 4 units)
Therefore, Rise = -4
Horizontal distance between A and B = 2 units
Therefore, Run = 2
Since, slope of a line = 
Slope = 
= -2