Answer:
1. 38 oz / 2 lbs 6 oz
2. 254 in / 7 yd 2 in
3. 21 pt / 3 gal 2 qt 1 pt
4. 18,480 ft / 3 mi 2,640 ft
5. 180 oz / 6 lbs 12 oz
6. 525 s / 8 min 45 s
7. 318 in / 8 yd 2 ft 10 in (9.99996 inches not simplified)
8. 9 pt / 4 qt 1 pt
9. 15,885 s / 4 hr 24 min 45 s
The first answers are the ones I got originally and the second answers are the simplified ones.