Aseamstress has 1/4 of a foot of thread. then she uses 1/5 of a foot of thread to sew a hole. how much of the tread is left? a 9/20 of a foot b 3/20 c 1/20 d 1/16

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