Solve -3x + 2y + z = -6 x + 3y + 2z = 5 4x + 4y + 3z = 13 (-6, 5, 13) (0, -3, 0) (1, -2, -1) (3, 4, -5)

*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