10 points will vote brainliest show work katie’s is building a barn, as shown. she wants the roof height to be between 4 and 6 feet. she must decide the angle measure to use for the pitch, or slant, of the roof when the slant height is y feet. write an inequality katie can use to ensure that her roof will be within the necessary height range.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Which of the following best describes the delian problem?