Which number is a factor of 16 but not a multiple of 8 answer choices: 6,4,12,10

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?

What is the the greatest common factor ?