8 Which of these could be a step to prove that BC = AB2+ ACP? (6 points)
By the cross product property, ABP = 8C multiplied by BD.
By the cross product property, ACP = BC multiplied by BD.
By the cross product property, ACP = BC multiplied by AD.
By the cross product property, AB2= BC multiplied by AD.

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 equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

Find the area of the regular hexagon if a side is 20 cm.