What 2/3 to the power of 8

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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?

2f(x)= x+3 if 4 < x < 8 2x if x 28 2