Need help with these two questions

QUESTION 1: THERE CAN BE MORE THAN ONE ANSWER

1 3 1 Letz 4,172): 8 ,andE= 2 4 4 6 Which of the following statement(s) is true? The vectors are linear dependent. e > > 211, v2, and v3 span R3. The vectors are linear independent. If A = [a a a], then A does not have pivots in every row. If A = [a a a], then A has pivots in every row. > . > . % a A For every b 1n R3, 5 is a linear combination of '01, v2, and v3. A is an 3 X 5 matrix with 3 pivots positions. Select all possible echelon matrices of A. (* means pivot, - means any real value) 0 a: O 0 * * .*_