A group of engineers are building a bridge across a river and they need to determine how far it is to cross the river. To accomplish this day will you similar triangles. Determine the length across the river Answer choices are
20
35
50
875

Can any one me with the answers to these questions asap?

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

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