Petted has 100 dollars. his mother gives him x dollars more. how many dollars does he have now?

The solution set for 5v2 – 125 = 0 is

For the equations below which statement is true ? -2x=14 6x=-42

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