List three examples of compounds and three examples of mixtures

Identify the type of synthetic material used in each object

Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i.e., a subspace of r 3 ). explain your reasoning

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is