| 1). Simplify: |
2). Simplify: |
| 3). Find the area of this circle (use |
4). Find the area of this shape: |
| 5). 10 - (-5) |
6). 20 - (-8) |
| 7). 30 + (-2) |
8). 15 + (-8) |
| 9). -10 - (-2) |
10). -6 - (-3) |
| 11). -3 + (-3) | 12). -8 + (-5) |