If I toss a fair coin five times and the outcomes are , then the probability that tails appears on the next toss is 1) 0.5
2) greater than 0.5
3) 1
4) less than 0.5
5) 0

M∠abc=138° and m∠def=31° . which statement is true about ∠abc and ∠def ? a: the angles are neither complementary nor supplementary. b: the angles are complementary. c: the angles are supplementary.