What was the price elasticity of demand for iphones in 2007 prior to the price reduction if the percentage change in price was 40%?

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

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.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?