Final answer:
To find which expressions are equal to 2•√36, simplify the expression by finding the square root of 36 and multiplying it by 2. The expression is equal to 12.
Step-by-step explanation:
To find which expressions are equal to 2•√36, we need to simplify the expression.
√36 equals 6, so 2•√36 equals 2•6 which equals 12.
Therefore, the expressions that are equal to 2•√36 are C.12.