Answer: Is there a picture? It would really help me understand you question if you added a picture.
Step-by-step explanation:
10 cm
The glass is 8 units. 2 units = 2.5 cm. Multiply 8 by 2.5 and divide it by 2, and you get 10 cm
Answer:
6x
4x² - 8x + 8 - x² + 2x - 4 - 3x² + <u>6x</u> = 4
27.69