Stella rented a limo for prom. there Was a one-time charge of $100 Plus an hourly rate of $45 her total cost for the nigh Was $347.50 how many hours did Stella rent the limo for?​

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.