Answer:
x=3
Step-by-step explanation:
29-3*x-(5*x+5)=0
The answer is line c, because you have to rise 5 and run 2.
Not necessarily.

and

may be linearly dependent, so that their span forms a subspace of

that does not contain every vector in

.
For example, we could have

and

. Any vector

of the form

, where

, is impossible to obtain as a linear combination of these

and

, since

unless

and

.