Understanding Algebraic Expressions and Equations

Scarlett is collecting stickers. She has 4 sticker packs, and each pack contains x stickers. She also finds 7 extra stickers. Which of the following is a term in the expression $$4x + 7$$ that represents the number of stickers Scarlett has?

Ethan is buying y notebooks, and each notebook costs $5. He also uses a $3 discount coupon. The total cost can be represented by the expression $$5y - 3$$ . What is the coefficient of $$y$$ ?

Michael is building a rectangular garden. He calculates the area by multiplying the length and width. In this context, which of the following best defines a "factor" in his calculation?

Kai has $$2x$$ apples and Harper gives him $$3x$$ more apples. Simplify the expression to find out how many apples Kai has in total.

Lily has twice as many apples as a certain number, and then she gets five more apples. Translate the total number of apples Lily has into an algebraic expression.

Lily is buying x notebooks, and each notebook costs $3. She also buys a pen for $2. What is the total cost when $$x = 4$$ ?

Liam is thinking about different math statements. Which of the following is an equation?

Charlotte is collecting items for a school project. She has $$6a$$ art supplies, gives away $$4b$$ books, and finds $$9$$ stickers in her drawer. What are the terms in the expression $$6a - 4b + 9$$ ?

Nora bought 2 notebooks and a pen for a total of 11 dollars. Each notebook costs the same amount, and the pen costs 3 dollars. Solve for $$x$$ , the price of one notebook.

Michael is calculating the cost of buying y notebooks, where each notebook costs $8. He writes the expression $$-8y$$ to represent the total cost if he gets a discount that makes the price negative. Which of the following is the coefficient in the term $$-8y$$ ?