Perpendicular des
ook at the Venn diagram in the example above
Then look at the shape of the right which group in
the Venn diagram does the shape belongin
Suppose there is another group for shapes with no
parallel of perpendicular sides Chide the shapes
below that belong in this group

Abcd is a parallelogram. the diagram is not drawn to scale. if m

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

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?