The number of books on Tom’s desk went from 12 books to 20 books. Find the percent increase. I need to show work

Which system of linear inequalites is represented by the graph?

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.