What linear system of equations does the matrix represent?

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15