1. Suzie had d DVDs. Her mother bought her 39 more DVDs. 2. Dave pays 10$ each month plus 2$ for every hour he practices in a music class. Write an expression to find the total amount paid for t hours

3. The cost to rent a party plot is $50. If the cost of food per person is 5$. Write an expression to find the total cost if there are n people invited for the party

4. If the side length of a square is x cm. Write an expression to find the perimeter of a square.

5. The cost of a pizza is 8$. If every extra topping costs $2, write an expression to find the total cost with n extra toppings

6. A phone company provider charges $25 as registration fee and $15 every month. Write an expression to find the total cost after t months

7. There are n hockey players. Write an expression to find the total number of hockey sticks if each player has 4 sticks

8. Let n represent any term number.
Write a relation for the term for each number pattern.

9. An equilateral triangle has three equal sides.
Write a relation for the perimeter of an equilateral triangle with side length k.
What is the perimeter of an equilateral triangle with side length 15 cm?

10. The cost of soccer jerseys for the soccer team is $50 for the initial set-up, plus $15 for each jersey ordered.
a) Write a relation for the total cost of j jerseys.
b) Another company charges $80 for the initial set-up, and $12 per jersey. Write a relation for the total cost of j jerseys for this company.
c) Which company would charge less if you ordered 12 jerseys?

11. Suggest a real-life situation that could be represented by each relation.
a) n + 7 is related to n

b) 4s + 5 is related to s

12. There are n students in the concert band.
Write a relation for each statement.
a) the total number of music stands, if each pair of students shares one stand

b) the total number of chairs, if there are 4 more chairs than students

c) the total number of sheets of music, if each student has 7 sheets

please. help meee :(((