Do you mean round to the nearest 10?
The answer to 1. Is Reflection. The rigid motion show is called a Reflection
A variable is the letter next to a number such as x. (ex. 6y) the y would be the variable.
a product is the number you get at the end of the expression
16 girls. 12 divided by 4 is 3, so this means that you have to take 4 and multiply it by 4 which equals to 16.
You would want to divide 216 by 18 and by doing that you would get 12.
