The simplified value of
$${{1\over 3}÷{1\over 3}×{1\over 3}\over{1\over 3}÷{1\over 3}of{1\over 3}}-{1\over 9}$$

Find the value of x:
2³ × 3⁴ × 1080 ÷ 15 = 6^x

Find the conjugate of (1 + i) ³ 

$${\sqrt{4×?}}={160\over 10}$$

$$\left({?-0.5\over 0.2} \right)={120\over 2}$$

If 5x + 5 > 2 + 2x and 5x + 3 ≤ 4x + 5; then x can take which of the following values?

$$\left(4{2\over3} + {5{1\over 6}}\right)× {45 \%} \ of \ 240=?$$

25.6% of 250 +√ ? = 119