Really easy points i’m just lazy

6

Step-by-step explanation:

red and yellow, red and pink red and green,yellow and pink yellow and green pink and green

12

Step-by-step explanation:

Permutations Formula: n!/(n-r)! = nPr

Where:

n = total number of objects

r = number of objects selected

Because this is odd sock day, he only has 4 objects to choose from, not 8, as red red, yellow yellow ect. cant be "odd" pairs.

Therefore solve 4!/(4-2)!

= 12

a 10 percent increase