Add. Use models if needed. and p. s ill give you a 100 points to awnser all these just messege me and i will 1. (9x + 7) + (x + 3) 2. (–4x + 6) + (x – 5)

3. (–3x + 15) + (–3x + 2) 4. (–2x + 10) + (–8x – 1)

5. (–2x + 4) + (x – 11) 6. (8x + 9) + (–6x – 1)

7. (–6x + 3) + (5x – 4) 8. (2x – 4) + (–x + 9)

9. (–8x + 2) + (–5x + 7) 10. (–4x – 2) + (13x + 1)

11. (–7x – 14) + (x – 6) 12. (12x + 3) + (–7x + 5)

13. (4x – 1) + (–5x + 17) 14. (–9x + 2) + (–8x – 2)

15. (1.3x + 2.4) + (–6.1x – 3.2) 16. (0.5x – 0.6) + (0.75x – 0.1)

17. GEOMETRY A rectangle has side lengths of (3x + 6) inches and (2x – 4) inches. Write an expression to represent the perimeter of the rectangle. Then find the value of x if the perimeter is 94 inches.

18. CRUISE SHIPS The table shows the number of cruise ships in a harbor on various days.

a. Write an expression for the total number of cruise ships in the harbor on Monday and Tuesday.

b. Write an expression for the total number of cruise ships in the harbor on all 5 days.