Need help with this will give branliest to the first who answers

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 of the following is correct interpretation of the expression -4+13

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?