Which value would best fit in the missing cell to suggest there is no evidence of an association between the variables?
digital watch analog watch
displays the date
54
27
no date display
18
А A
9
B
18
C 27
D 54

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?