3. Answer the following using the combinatorial form of Pascal’s triangle. [4K]
a) The value of the term in row 12, position 7 of Pascal’s Triangle. Show work and use proper notation.

b) When expanding ,( + )5

i. The simplified expression has _______ terms.

ii. The simplified expression is: ______________________________________________

iii. In the simplified form, the term , has a k value of ________ and a q value of ________