. Let L be a linear operator on Rn. Suppose that L (x) = 0 for some x = 0. Let A be the matrix representing L with respect to the standard basis {e1, e2, ... , en}. Show that A is singular.

The goal of __ painters was not to make a photographic representation of a subject, but to capture the impression of a particular moment in time a) still artist b) realist c) impressionist

Aids is growing fastest in the poorest countries of africa. these nations don’t have enough doctors, medical labs, or money for medicine. a recent study showed that only a small percentage of hiv-infected children in africa are getting any medical treatment at all. what central idea is emphasized in both sources? the hiv/aids epidemic in africa is serious. the hiv/aids epidemic in south africa is serious. the hiv/aids epidemic among african children is serious. the hiv/aids epidemic among south african children is serious

“dylan was a revolutionary,” bruce springsteen said in his 1988 speech inducting dylan into the rock and roll hall of fame. “the way that elvis freed your body, bob freed your mind.” early masterpieces such as “a hard rain’s a-gonna fall” and “visions of johanna” and “like a rolling stone” fueled a debate: are rock lyrics poetry? the answer must be yes, because on thursday, dylan was awarded the highest honor for a writer: the nobel prize in literature. the swedish academy, in making him the first american winner since novelist toni morrison in 1993, cited him for “having created new poetic expressions within the great american song tradition.” –“dylan's nobel prize settles debate: rock lyrics are poetry,” dan deluca what is the best summary of the author’s claim? rock lyrics can be like poetry. bob dylan was a revolutionary. musicians deserve nobel prizes. more americans deserve nobel prizes.