Answer:
A is spanned by vector.
Step-by-step explanation:
The null space of matrix is set of all solutions to matrix. The linearly independent vectors forms subset which are spanned and forms the null space. The null space of vector can be found by reducing its echelon. The non zero rows formed are the null spaces of matrix.
3/4 of a sandwich for each sandwich will amount to 6 sandwiches and 8 children can eat
(6,2) is the fourth vertex
