for which values of a, b is the system consistent? are there values for which there is a unique sol'n?
1 a b 1
1 1 0 a
1 0 1 b
(note that the last column is the b vector in [a|b]).

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Every time you drive you will experience a combination of driving conditions and environments.

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply