Solve the following system of equations for all three variables. 2x + 7y – 7z = 6
-2x + 3y +9z = -10
- 2x + 7y + 5z = -2

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