Are these ratios the same 30: 12 and 40: 16

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

An angle that measures between 90 and 180° is called a(,

Multiply. write your answer in simplest form. 3/8 x 5/7