What property justify
if <1 = <2 and <2 = <3 then <1 = <3

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?

Solve the equation by completing the square. x^2+2x=17

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume