Let a be an mxn matrix. show that the set of all solutions to the homogeneous equation ax=0 is a subspace of r^n and the set of all vectors b such that ax=b is consistent is a subspace of r^m. is the set of solutions to a non-homogeneous equation ax=b a subspace of r^n? explain why or why not.

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.