Answer:
algebraic expressions use variables, in problems you can pick one thing and call it X and another thing and call it Y. whatever those two things you picked can equal some unknown thing.
Another word for allusion is <span>B. reference.
</span>To make an allusion to someone or something means to make a reference to them. An allusion is <span>an expression designed to call something to mind without mentioning it explicitly; an indirect or passing reference.</span>
In the book by margeret Peterson haddix it is cold and windy
The answer the this is choice b,the chocolate whom you gave me were fantastic