What career i can do with this subjects life science, business studies ,geography and mathematics

check with your college counselor

or, visit a college and talk to the faculty there
Rather than figure out what you can do with what you know, discover what you love, and find out what it will take to succeed in that field.
Talk to someone successful in that field.

I took those subjects are they still working together?

With the subjects of life science, business studies, geography, and mathematics, you have a wide range of career options to consider. Here are some potential career paths you could explore:

1. Environmental Scientist: Your background in life science and geography can be valuable in this field. You could study and analyze the impact of human activities on the environment, conduct research, and contribute to conservation efforts.

2. Geographic Information Systems (GIS) Analyst: With your knowledge of geography, coupled with mathematics, you can work as a GIS analyst. GIS analysts collect, analyze, and interpret geographical data using specialized software to create maps and provide crucial information for various industries.

3. Market Research Analyst: Business studies, combined with mathematics, can pave the way for a career in market research. You would be responsible for collecting and analyzing data about market trends, consumer behavior, and competition to help businesses make informed decisions.

4. Data Analyst: Your proficiency in mathematics will be beneficial in a data analyst role. Data analysts interpret complex data sets, identify patterns and trends, and provide insights that help organizations make data-driven decisions.

5. Urban Planner: Your knowledge of geography, combined with an understanding of business studies, can be applied in urban planning. Urban planners work on projects related to designing and shaping cities, including land use, transportation, and environmental considerations.

6. Financial Analyst: A strong foundation in business studies and mathematics can lead to a career as a financial analyst. Financial analysts examine financial data, assess investment opportunities, and provide recommendations to individuals or organizations.

Remember, these are just a few examples, and there are numerous other career paths you could consider. Researching these fields, exploring internships, and talking to professionals working in these areas can give you a clearer idea of which career aligns best with your interests and skills.