**Q5: **

Find the value of given that .

**Q6: **

Find the value of .

**Q7: **

Which of the following inequalities is true given that ?

- A
- B
- C

**Q8: **

Find the value of .

**Q9: **

If and , find .

**Q10: **

Given that , determine .

**Q11: **

Evaluate .

**Q12: **

If , find .

**Q13: **

Given that , evaluate .

**Q14: **

If and , find .

**Q15: **

Find given that and .

**Q16: **

Find the value of such that and .

**Q17: **

If , find .

**Q18: **

Find the value of .

**Q19: **

If , find .

**Q20: **

If , find all the possible values of .

- A3
- B3 or 9
- C9
- D3 or 6
- E6