Evaluate Using Pascal's Triangle ${ } _ { 8 } C _ { 2 }$

question 5

Essay

Evaluate using Pascal's triangle.Show your work. ${ } _ { 8 } C _ { 2 }$

---

Definitions:

Streptococcus

A genus of coccus (spherical) bacteria, many of which are responsible for diseases in humans and animals.

Bx

Biopsy, a medical test involving the extraction of sample cells or tissues for examination to determine the presence or extent of a disease.

Immunomodulators

Substances that adjust the immune response to a desired level, used especially in autoimmune diseases and organ transplantation.

Staphylococcus

A group of bacteria, often causing skin infections and sometimes pneumonia, septicemia, and endocarditis.