Using the drawing, how would you classify angles 9 and 10?

a. reflex

b. obtuse

c. adjacent

d. vertical

How can you find the mean absolute deviation (mad) for this set of data?

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

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