Prime, because the only number that can go into it are 19 and 1
2x 2 - 6x = 0 .... if you mean 2x^2 - 6x = 0
then 2x = 0 and x - 3 = 0 << answer
Two parallel lines are skew if they are not parallel but are in different planes, which means that they will not intersect, in spite of they are not parallel.
7ft if 3+1/3 hopefully this helps i did hwat i can
