The length of a rectangle is 4 centimeters more than twice its width, if the perimeter of the rectangle is 86 centimeters, find the smaller of the two dimensions of the rectangle.

For the equations below which statement is true ?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?