Should I go to sleep rn? It’s 2:53 am and I need to wake up at 10 to take a test online

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

25 ! i need asap! ! ill mark brainliest!