Someone me in this algebra question 100% correct only

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

Which rectangle if translated 6 units right and 16 units down and the rotated 90° clockwise about the point (4, -11) will result in rectangle e?