a persons blood type is denoted with thr letters A, V, and O, and the symbols + and -. the blood type A+ is read as A positive. the blood type B- is read as B negative. Use the data to write a ratio for the comparison in 3 different ways.

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