Can someone please help me with AA.1 on ixl it's due at 12:00 and it's 10:40 and I am coonfused.

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.