Which statement is true about the result of a rigid transformation?

the image will be larger than the pre-image.

the pre-image will be larger than the image.

the pre-image will be congruent to the image.

each one is unique; no general statement can be made about size.

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870

one fourth of 9% = 2.25%

gavin is correct in saying : the equivalent quarterly interest rate would be

2.25%.