Find the equation of the line shown

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

What is sin 7x/4 ? i need on this urgent trig

Find the difference (8ab+a+2) - (3ab+6)