Place the tiles on the screen and then complete the statements. one orange x tile and three orange + tiles The variable is represented by . The operation and the constant are represented by . The tiles represent an unknown number.

The variable is represented by  

✔ one orange x tile

.

The operation and the constant are represented by  

✔ three orange + tiles

.

The tiles represent  

✔ adding 3 to

an unknown number.

Step-by-step explanation:

what shape is

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.