Ais an n\times n matrix. check the true statements below: a. an eigenspace of a is just a null space of a certain matrix. b. if v_{1} and v_{2} are linearly independent eigenvectors, then they correspond to distinct eigenvalues. c. if ax = \lambda x for some nonzero vector x, then \lambda is an eigenvalue of a. d. if ax = \lambda x for some vector x, then x is an eigenvector of a. e. the eigenvalues of a matrix are on its main diagonal.

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

Which fators influence ocean currents

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island