Ashley has $0.15 worth of pennies and nickels. She has a total of 7 pennies and nickels altogether. Determine the number of pennies, x, x, and the number of nickels, y, y, that Ashley has.

hard

step-by-step explanation:

it is rigid.; it is isometric. ; the size is preserved.

step-by-step explanation:

a translation is called an isometry; these are transformations that preserve congruence between pre-images and images.

they are also called rigid transformations, as the only thing that can happen to a pre-image is that it is moved or turned, not stretched or shrunk.

since congruence is preserved, the size is preserved.