Which comparison is not correct?

-1 > -5
7 > 9
5 < -8
-7 < -2

7 > 9  Not correct

5 < -8  Not correct

Step-by-step explanation:

1 > -5   Correct  one is greater than a negative number

7 > 9  Not correct  7 is less than 9

5 < -8  Not correct  5 is greater than a negative number

-7 < -2 Correct  You want a smaller negative number

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.