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S dan a niggag? The least common multiple of 2 numbers is 60. One of the numbers is 7 less than the other. What are the numbers? Name a River that begins with the letter K? Which substance could you use to demonstrate "morphing" ? Are these substances fluids? For each explain your answer.? Suppose that A ⊆ B ⊆ V .
(a) Prove that span(A) ⊆ span(B).
(b) Prove that if B is linearly independent then A is linearly independent.?