A horizontal array or a row vector.
As many as you want
the median is the middle variable when the numbers are lined up from smallest to biggest
When adding decimal numbers, the decimal points should be lined-up.
fire squad!
Oblique
A factor tree is a way of notating the process of finding the prime factorization of a given number. As long as the bottom branch consists entirely of prime numbers, it doesn't really matter how they're lined up.
any numbers that add up to 130
A firing squad
finger like projection called villi
They are called Alveoli.
mean is the average of the numbers and medium is the middle number when the numbers are lined up from the greatest to the least an mode is the number that is there most often
They do not - not if you draw them as straight lines.