Yes,
-> 1 + 1 + 5 + 13 = 20
-> 11 + 3 + 3 + 3 = 20

The hot dog

18.6, 37.6. There are two interwoven sequences: starting at 45 alternate numbers are –3.7. Starting at 4 alternate numbers are +7.3.

34826: each number is the sum of the last two digits of the previous number, preceded by the remaining numbers in reverse.

2.5 and 3. In the top sequence the numbers progress × 1.5. In the bottom sequence the numbers progress × 2.5.

8: 112 pairs of shoes = 224 shoes.
224 ÷ 28 = 8.

22 and 24: there are two interwoven sequences.
Starting at 19, alternate numbers progress +2, +3, +4, +5.
Starting at 20, alternate numbers progress +2, +4, +6, +8.

KP: there are two alternate sequences.
Starting at A, ABcDefGhijK;
starting at Z, ZYxWvuTsrqP.

he opens car door

1 apple costs $0.18 and 1 banana costs $0.14.

Synonyms: thrive, burgeon
Antonym: wither

fedora
the rest are a sequence where the first two letters are also the first two letters of the months March, April, May, June, July, August.