Which statement is true? Question 18 options:

A)
– |–13| = 13

B)
|–13| = 13

C)
– |13| = 13

D)
|13| = – 13

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?

Which is the graph of this function 3 square root of x plus one if

What is the measure of angle x? 37° 82° x°