Which triangle would be congruent by using a reflection over the x-axis?

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Which table represents a linear function? i'll give brainliest to first answer ^'^