Typhoon Alert

Sent: 15:45 October 20

What: Typhoon Warning

Where: Coastal Staff

When: Expected from 20:00 October 21 to 10:00 October 22
Due to an approaching typhoon, strong winds and heavy rainfall are anticipated along the coastal regions. Flooding and strong gusts pose significant dangers to communities.

Instructions:

- Board up windows and doors.

- Follow local authorities' evacuation orders promptly.

- Have essentials ready, including water, non-perishable food, and medications.

- Tune in to local news or radio for updates.

- Do not walk or drive through flooded areas.

- Coordinate with family members and neighbors for safety.

$a)(2x-3{)}^2=4x^2-12x+9$;

b) $(x-2{)}^3=x^3-6x^2+12x-8$.

biến đổi vật lí : a) d) e) g)

biến đổi hóa học : b) c)