Find the 8th term of 15,6,22/5

Which of the following of the following sets of side lengths could not form a triangle?

What is always true when two whole numbers are subtracted?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer