Melanie has 65 inches of ribbon. she wants to use all the ribbon and cut it into seven equal pieces. how long will each piece be

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.