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- Another name for a
variable

is $\cdots$?

- A number that is on its own, without a variable attached to it, is called $\cdots$?

- In the expression $2x-3y+4z$, the coefficient of the variable $y$ is $\cdots$?

- How many terms are in the expression $2a+3b-4c+5d$?

- An algebraic expression consisting of only two terms is called $\cdots$?

- The general name for an algebraic expression consisting of one or more terms is $\cdots$?

- In the expression $4x-\frac{2}{5}y-6z+7$, the constant term is $\cdots$?

- What is the coefficient of $x$ in the expression $y+3z-4t$?

- What is the coefficient of $x$ in the expression $4z-3y-x$?

- Is there any difference between an expression and an equation?