Can someone me with this one?

what set of reflections would carry hexagon abcdef onto itself?

Solve the system of equations. y= 2x y= x^2 - 15

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?