Which distance measures 5 units? a number line going from negative 8 to positive 8. a closed circle appears at negative 8 and is labeled w. a closed circle appears at negative 3 and is labeled x. a closed circle appears at positive 1 and is labeled y. a closed circle appears at positive 5 and is labeled z. an orange arrow line extends the length of the number line and contains all points. the distance between points w and x the distance between points x and y the distance between points x and z the distance between points y and z