i have three questions
1. to use given data to estimate a value between known values(11 latters)
2.an equation that contains more then one variable(7 letters)
3. a set of dta involving one variable(10 letters)
Could you please supply the source of your 3 clues ie the name of the crossword in which they appear and details of any existing letters you have.This information would be of assistance in you getting help.