What is the size of an interior angle of a regular hexagon

What is the distance between (–2 1/2,-3) and (1, –3)?

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

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