Adolphin jumped from 5 feet below the surface of the sea. jane wrote -5 to represent the depth from which the dolphin jumped. what does 0 represent in this situation.

the choices are:
a. the floor of the sea
b. the surface of the sea
c. the level to which the dolphin jumped
d. the level from which the dolphin jumped

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Witch represents the inverse of the function f(x)=1/4x-12