Is the function f(x)=(1/e)^ an exponential function? If so, identify the base. If not, why not?

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.

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Multiplying fractions by whole number 5 x 1/3=?