

Which students correctly completed the task?
Simplify by combining like terms.
Simplify by combining like terms.
Simplify by combining like terms.
Simplify by combining like terms.
Simplify by combining like terms.
Simplify by combining like terms.
What is the correct perimeter?
Fill in the missing number (don't include the variable).
Fill in the missing number (don't include the variable).
Fill in the missing number (don't include the variable).
Fill in the missing number (don't include the variable).
Fill in the missing numbers (don't include the variables).
Fill in the missing numbers (don't include the variables).
Fill in the missing number (don't include the variable).
Fill in the missing number (don't include the variable).