Is the variable qualitative or categorical ( this is for statistics )

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

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

2/3(-6y+9x) expand each expression using the distributive property