Explanation

The mode of a series of numbers is the number that appears in the series the most frequently. In this case it's 39.

\(\sqrt {{{(6 + x)}^2}} = \)

\( (x - 5)({x^2} + 7x + 2) = ? \)

\(2(5+3 \times \sqrt{25}) \div(14-9) \times 4=?\)

\( {({6^3})^9}? \)