Which number line correctly shows -0.8 + 0.6?

The first from top shows correct representation on number line for -0.8 +0.6.

Step-by-step explanation:

When we add these two term we get

-0.8 is to left of origin so when we add any value it will shift to right .

For example

Such a way it ends to -0.2

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