What is the area of the polygon below? A. 120 square units
9
10
B. 174 square units
16
C. 66 square units
12
D. 84 square units

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?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Which strategy is used by public health to reduce the incidence of food poisoning?