Rewrite y-340.2=-8.1(x-7) in point slope equation. it only accepts answers in the form of for example, y=500/3(x+4)+800​

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

Can someone me out here number 4 plz

Solve for n? [tex]z = \frac{3}{4} mn[/tex]