Find the missing number 6+[ ]=9+6. Find the missing operation 3 [ ] 7 = 21. Add 3645 and 4234. Subtract 21935 from 53082. 120 minutes is equal to 1 Quarter past 10 O'clock is. Four hundred thousand and thirty-three. What is the value of S in 584732?

The triangle has three sides.
The final answer is $\boxed{\text{c) } 3}$.

2. How many vertices does the shape have?

The triangle has three vertices.
The final answer is $\boxed{\text{c) } 3}$.

3. How many points of intersecting does the shape have?

These are the same as the vertices.
The triangle has three intersection points.
The final answer is $\boxed{\text{c) } 3}$.

4. Use <, >, or = to make the statement true: $40,000 + 600 + 50 + 9 \_ 4000 + 600 + 70 + 9$

The final answer is $\boxed{\text{a) } >}$.

5. One thousand is written in figure as

One thousand is 1,000.
The final answer is $\boxed{\text{c) } 1000}$.

6. Find the missing number: $6 + [\ ] = 9 + 6$

The final answer is $\boxed{\text{b) } 9}$.

7. Find the missing operation: $3 [\ ] 7 = 21$

We know that $3 \times 7 = 21$.
The missing operation is multiplication.
The final answer is $\boxed{\text{b) } \times}$.

8. Add 3645 and 4234

The final answer is $\boxed{\text{d) } 7879}$.

9. Subtract 21935 from 53082

The final answer is $\boxed{\text{b) } 31147}$.

10. 120 minutes is equal to

The final answer is $\boxed{\text{a) } 2 \text{ hrs}}$.

11. Quarter past 10 O'clock is

The time is 10:15.
The final answer is $\boxed{\text{d) } 10:15}$.

12. Four hundred thousand and thirty-three

Four hundred thousand is 400,000.
Thirty-three is 33.

The final answer is $\boxed{\text{a) } 400033}$.

13. What is the value of 8 in 584732?

The digit 8 is in the ten thousands place.

The final answer is $\boxed{\text{c) } 80,000}$.