True/False: Let $$ be any $$ matrix, then $$ is in $$.
True False
True/False: Let $$ be any $$ matrix, then $$ is in $$.
True False

True/False: Let $$ be any $$ matrix, then $$ where $$.
True False

True/False: Let $$ be any $$ matrix, then $$ is a subspace of $$
True False

True/False: Let $$ be any $$ matrix, then $$ is a subspace of $$
True False

True/False: Let $$ be any $$ matrix, then $$ is a subspace of $$
True False

True/False: Let $$ be any $$ matrix, then $$ is a subspace of $$
True False

True/False: Let $$ be any $$ matrix, then $$ is $$
True False

Suppose $$ is a solution to $$ where $$ is a $$ matrix. Is $$ in $$?
Yes No Not enough information given to determine

Suppose $$. Which of the following statements is true?
$$ $$ $$