Somebody help me with this

25 points ☺️

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

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.