A vacant lot is being converted into a community garden. The garden and a walkway around its perimeter have an area of 868 square feet. Find the width of the walkway if the garden measures 12 feet wide by 15 feet long.

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?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?