Which of the following proves that line j is parallel to k?

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Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red

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