HERE BETTER ITS ALL BETTER

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

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Prove that quadrilateral is a rhombus.