Can anyone help me I really need help with this math

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

What does the relationship between the mean and median reveal about the shape of the data

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