Name the intersection of plane kcg and a plane that contains l and d

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor

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