Ablueprint for a room has a scale of 1 in. to 3 ft. on the blueprint, one wall measures 9 in. in length. if l represents the length of the actual wall, what is l?

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