The function y = h(x) is defined as follows: h(1) = and h(4) =

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

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

Joanie watched 1 out of three of a movie in the morning