Given that -B write -5 as a linear combination of the vectors 1 8- = 11 + Problem 9. (5 points) Describe the set of all matrices that are row equivalent to 0+ Explain your answer using complete sentences with correct grammar, spelling, and punctuation. 0 0 -1 10 0 -5 1 1 -8 T [10 0 [1 0 0 0 1 0 0 1 8]. -5 1 "