If csc(x) =15/13
(in Quadrant-I), find
tan(2x) =

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

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