Anyone wanna talk I’m bored

What percent of the circle below is shaded?

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

How are sas and sss used to show that two triangles are congruent?