-12=-5y find y it also has to be simplified

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.