Which of the following best describes the dependent variable?
answer the variable that responds to change.
the variable that is deliberately changed.
the variable kept constant.
the treatment in an investigation.

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?

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Which value of y will make the inequality y< -1 false?