The domain of the following relation: r: {(3, 5), (8, 6), (2, 1), (8, 6)} is

no domain exists

{1, 5, 6}

{3, 8, 2, 8}

{2, 3, 8}

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

What is the y-intercept of the line given by the equation

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks