1. Simplify: 5x+3x+4(3-y). What is the result?

2. Simplify: 7a+4b−5a. What is the result?

3. Simplify: 8y−2y+5. What is the result?

4. Simplify: 6m+2−4+3m. What is the result?

5. Simplify: 2(x+3)+4(x−1). What is the result?

6. Simplify: 4x−3(x+2). What is the result?

7. What are the constants in the expression?-4x + 6y - 2

8. Rewrite (9 + 6) + 5 using the associative property.

9. Work out the value of the following expressions when a = 3, b = 4 and c = 5.2a2 + c2

10. Choose the phrase that matches the expression 21h