Which of the following demonstrates the distributive property?

1. 3 (10 + 5) = 3 (15)

2. 3 (10 + 5) = (10 + 5) 3

3. 3 (10 + 5) = 30 + 15

4. 3 (10 + 5) = (5 + 10)

If, 2=5 3=10 4=17 5=?

Simplify this expression: 3 (p + 5) - 8 + 11p

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