Crater Lake in Oregon is shaped like a circle with a diameter of about 5.5 miles. Round to the nearest whole number and only enter numbers. How far is it around the perimeter of Crater Lake? (miles)
What is the area of the surface of Crater Lake? (square miles)

Assessment items item 1 garrett is a member of a movie club. he pays a monthly service fee of $5.75 and $2.50 for each movie he rents. which expression represents how much money he will spend for renting x number of movies a month?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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?