Definition of dray. : a vehicle used to haul goods; especially : a strong cart or wagon without sides.
Expressions versus Equations. A difference between expressions and equations is what each represents. An expression shows a math relationship. One key to an expression is that there is no solution. An expression does not have an answer. An expression, however, can be evaluated. To evaluate an expression, substitute values for the variables.
It is a formula with an equal sign    * * * * *    No. Each side of the equal sign is an expression but the whole is  an equation. An expression is a combinatio â¦ n of numbers and  operators without an equality (or inequality) sign.