In statistical theory, a common requirement is that a matrix be of full rank. That is, the rank should be as large as possible. Explain why an m times n matrix with more rows than columns has full rank if and only if the columns are linearly independent.

Can someone me with my hwplz(only the circled ones)

In the diagram of circle o, what is the measure of zabc?

Hormones perform important functions within the reproductive system. during puberty, a number of changes occur in the body. which hormone is responsible for the development of these characteristics in the female? estrogen progestin progesterone testosterone