GIVING OUT BRAINLIEST TO THE FIRST ANSWER
Which function is represented by the graph

1. are the triangles similar and if so why? what is the value of x? show your work.

An equation where variables are used to represent known values—function notation true or false

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?