please answer all of the questions and show your work! also please specify which answers go to which problems/sections for 15 points and i will also mark your answer brainliest! :) thank you!

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?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !