# Simplify each expression, then explain what property was used:1. 6s + 2Simplified expression:Explanation:2. s + 2s + 9 + sSimplified expression:Explanation:3. 4(2s + r)Simplified expression:Explanation:Combine Like Terms:4. -3r - 3 + r + 75. 5s + 2s^ - 5s + 4s^8. Use the model below to find the area: 9. Use the model below to find the side lengths:

QUESTION POSTED AT 20/02/2020 - 10:55 PM