Which of the following is equivalent to i⁹ A. i²⁷/i³

B. (i⁴) (i⁵)

C. (i³)²

D. i

E. (i • i) x (i•i•i•i) x (i•i•i)

F. (i³)³

(there could be more than one answer)
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In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Analyze the data sets below. data set a 25,25,25,26,26,26,27,28,28,29,30,31 ,31,32,33,33,34,35,35,35 data set b 25,25,25,26,26,26,26,27,27,27,27,28 ,28,29,29,30,31,31,32,34 which of the following statement are true? select all that apply. a. data set a is relatively symmetric and data set b is skewed left. b. the means of the data sets are within 3 units from eachother. c. the data sets have the same standard deviation. d. the mean of data set a is 27.95 and the mean of data set b is 30. e. the data set b has a higher standard deviation than data set a. f. the mean and median of data set a are close in value.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?