1. Use the distributive property to simplify the expression: $-5(2x + 3) = \_\_\_.
2. Simplify the expression by distributing the negative sign: $-(p + 9) = \_\_\_.
3. Use the distributive property to simplify the expression: $-9(3k - 7) = \_\_\_.
4. Simplify the following expression: $-(-x + 8) = \_\_\_.
5. When simplifying the expression $-8(x - 3)$, what is the result of multiplying $-8$ by the second term, $-3$?
6. Use the distributive property to simplify the expression $5(a + 6)$. The simplified expression is ___.
7. Use the distributive property to expand the expression $p(4p + 9)$. The result is ___.
8. Simplify the expression $7(2m - 3)$ using the distributive property. The result is ___.
9. Use the distributive property to simplify the expression $-6(k + 2)$. The result is ___.
10. Applying the distributive property to the expression $a(b - c)$ results in which equivalent expression?