Understanding Expressions and Equations

Which algebraic expression represents 5 more than a number, n?

What is the value of $$3^2$$ ?

Which of the following is an equation?

Simplify the expression: $$2(x + 3)$$

Which of the following expressions is equivalent to $$3(x + 4)$$ ?

What is the prime factorization of 18?

Determine if the expressions $$4(x + 2)$$ and $$4x + 8$$ are equivalent.

Which of the following is an expression?

Which of the following expressions is equivalent to $$2^3$$ ?

Which property is used in the expression $$3(x + 4) = 3x + 12$$ ?