If the height and base of the parallelogram shown are each decreased by 2 cm, what is the area of the new parallelogram?

A parallelogram with a base of 10 centimeters and a height of 8 centimeters.

40 cm2
48 cm2
64 cm2
76 cm2

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 of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Find the value of x in the diagram below. select the best answer from the choices provided