In circle Y, what is m 21?
370
0 6°
o 25°
оо
25

Which number is irrational? a) 16 b) 18 c) 25 d) 36

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?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x