Which of these is an irrational number 4.789, 6.666666, 3.14159, 7.00000001

Which is a graph of a proportional relationship?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4