Why is the world round?

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

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?