-6(4-5p)<=216 GRAPH ON A NUMBER LINE

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

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Taking algebra two apex courses and need with these questions