7. In triangle ABC, ZA is a right angle and mZB = 45°. Find BC. If your answer is not an integer, leave it in simplest radical form.
с
11 ft
B
Not drawn to scale
22 ft
b. 22V21
a.
c.
11 ft
d. 1182A
dical form

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?

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?