The temperature outside dropped 13 f in 6 hours.the final temperature was -4 f. what was the starting temperature?

The starting temperature was 11 f

Step-by-step explanation:

-4+13= 11

1. There are 648 total combinations that can be chosen.

2. After she choses two possiblilities the total number changes to 108 total posibilities to chose from

Step-by-step explanation:

possibility: 1/2 x 1/3 x 1/2 x 1/6 x 1/9 = 648

then you remove the first two because she chose those ones

1/2 x 1/6 x 1/9 = 108 possibilities left