Evaluate 15-0.75w+8x when w=12 and x=1/2

Which statements are true? see picture

The amount of energy it takes to lift a box might be a function of which of the following

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