Can you do number 7 and explain to me how you got the answer?

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)

If the value of cos330°is√3/2 then find cos 165°.

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table