Quadrilaterals A
B
C
D
ABCDA, B, C, D and
W
X
Y
Z
WXYZW, X, Y, Z are congruent.

A
A
B
B
C
C
D
D
W
W
X
X
Y
Y
Z
Z
Which of the following sequences of transformations maps
W
X
Y
Z
WXYZW, X, Y, Z onto
A
B
C
D
ABCDA, B, C, D?
Sequence A Sequence B
A reflection over the vertical line
W
X
↔
WX
W, X, with, \overleftrightarrow, on top, then a
180
°
180°180, degree rotation about point
W
WW, and then a translation along the directed line segment
W
A
‾
WA
start overline, W, A, end overline. A translation over the directed line segment
W
A
‾
WA
start overline, W, A, end overline, then a reflection over the horizontal line through point
A
AA.
Choose 1
Choose 1

(Choice A)
A
Only sequence A

(Choice B)
B
Only sequence B

(Choice C)
C
Both

(Choice D)
D
Neither
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Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Each of the following data sets has a mean of x = 10. (i) 8 9 10 11 12 (ii) 7 9 10 11 13 (iii) 7 8 10 12 13 (a) without doing any computations, order the data sets according to increasing value of standard deviations. (i), (iii), (ii) (ii), (i), (iii) (iii), (i), (ii) (iii), (ii), (i) (i), (ii), (iii) (ii), (iii), (i) (b) why do you expect the difference in standard deviations between data sets (i) and (ii) to be greater than the difference in standard deviations between data sets (ii) and (iii)? hint: consider how much the data in the respective sets differ from the mean. the data change between data sets (i) and (ii) increased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). the data change between data sets (ii) and (iii) increased the squared difference îł(x - x)2 by more than data sets (i) and (ii). the data change between data sets (i) and (ii) decreased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). none of the above

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y