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What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

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