The sides of aabc are 4.5 ft, 7.5 ft, and 9 ft long. the area of aabc is about 17 square feet. if adef has sides that are 6 ft,
10 ft, and 12 ft long, explain how to use the area of aabc to find the area of adef.
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Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours