What kind of transformation is shown in the picture? Two identical quadrilaterals with the same orientation are shown, one to the left and a second to the right side of the figure. Each has a small blue circle in its interior near the upper vertex. A blue right pointing arrow is shown between them.
A. rotation
B. reflection
C. translation
D. none of these

Based upon past experience, barry expects no overdrafts. he expects no 2nd copies of statements. barry estimates that he will use network atms about 5 times a month with either bank. barry decides in the end to choose eecu. assuming that both banks provide the necessary services equally well, and based upon the tables of fees given above, how much can barry reasonably expect to save annually by choosing eecu in this case over e-town bank? a. $72 b. $78 c. $144 d. $24

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9