Cecily made a poster in the shape of a quadrilateral. All the angles and sides of the poster are congruent. Which of the following names the shape of Cecily's poster?

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?

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?