Explanation

There are 3 feet in one yard so 2 yards = 3 * 2 feet or 6 feet.

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

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

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

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