Quadrilateral abcd is a kite. angle d is included between the non-congruent sides and it measures 105 degrees. angle a is included between the two congruent sides and it measures 74 degrees. if angle c is across from angle a, what is its measure? a.74 b. 76 c. 100 d. 105

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.