Math lovers i need your help

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?