Pete has $4.30 in nickels and dimes. He has 60 coins in all. How many of each coin
does he have?

The variable in a relation who’s value depends on the value of the independent variable is called what?

Which of the following is the true for f(x) = 5cos

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