The user has provided an image with text and mathematical expressions. Based on the image, I need to extract and present the mathematical expressions and units of measurement.

Математические выражения и единицы измерения:

• \( 16 \text{ м}^2 \)
• \( 2 \text{ ч } 30 \text{ мин } 9 \text{ с} \)
• \( 99 \text{ м } 9 \text{ см} \)
• \( 8 \text{ ц } 888 \text{ г} \)
• \( \text{см}^2 \)
• \( \text{MM} \)
• \( \text{г} \)