Two unidentified flying objects are at the points (2t, -2t, 2- 2t) and (2t - 18, 7t, 9t − 2) at time t, t≥ 0. Find the acute angle between the paths. (Express numbers in exact form. Use symbolic notation and fractions where needed.) 0= Find where the paths intersect (or determine that they do not). (Express numbers in exact form. Use symbolic notation and fractions where needed. Give your answer as point coordinates the form (*, *, *). Enter DNE if the paths do not intersect.) (x, y, z)=

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