Discover Questions

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.? What is 45, 469, 23 rounded to thousand?And 7529, 442 rounded to hundredth, and also 492, 3069 rounded to thousandths? Does 8 oz. of butter equal 1 cup? The least common multiple of 2 numbers is 60. One of the numbers is 7 less than the other. What are the numbers? What is (-2/3)^3*(4/5)^2?