Line segment qp is tangent to the circle. what is the length of line segment qp? round to the nearest unit.  

Ineed with number 6 , explain how to get 1978

Math each whole number with a rational,exponential expression

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