Tomas orders a meal the costs $7.89.lisa's meal costs $9.05. about how much is combined cost if their meals?

Pls the last one and it has to be like number 6

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity