Select the correct answer. Which value of y makes this equation true? 12y - 1 9y + 8 2 5 125,31 9+8 O A. 6 ОВ. IN O C. 2 OD. 6 Reset

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?