Which letter has at least one line of symmetry?

For this case what you should know is that in the alphabet, there are several letters that have at least one axis of symmetry.

For example,

The letter A has a vertical axis of symmetry.

The letter C has a horizontal axis of symmetry.

The letter O has more than one axis of symmetry, including vertical axis and horizontal axis.

Some of the letters with at least one axis of symmetry are:

The letter A

The letter C

The letter O

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x