Help please i’ll give a brainliest to the person with the correct answer

Write each expression in exponential form and find its value. 3 x 3 x 3

Quadrilateral ghjk has vertices g(2, 3), h(8, 2), j(6, 8), and k(3, 6). it is transformed according to the rule t(–4, –5). what are the coordinates of g”? (–7, 3) (–2, 2) (–1, –7) (2, –2)

Is the square root of 4 plus the square root of 16 rational?