Benny bought 8 new baseball cards to add to his collection. the next day his dog ate half his collection. there are now only 36 cards left. how many did he start with? answer in equation

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90