Taree fourts of the 64 books were math books. determine the percent of the books that were math books.​

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

If you answer right ill give brainliest, : )