Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 s?

100−20

100⋅20

10020

100+20

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Which of the following represents the range of the graph of f(x) below

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500