Can someone me find the area of this circle and round to the nearest tenth

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

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30