Hi please help on this :)

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit

What is the value of x in the following equation. -x ^3/2 = -27