Which one of the following statements contains a simile?
a. the soaring bird quickly disappeared from our sight.
b. i think that i shall never see a poem lovely as a tree.
c. the maple wears a gayer scarf.
d. the woods went up in flame.

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?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

What are the exclude value of mn+3m