With parallel lines, ? i know that in order for two lines to be parallel, their slopes must be exactly equal. however, is it true that in order for these lines to be parallel, their slopes must be positive? in advance!

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.