Astudent who is 60 inches tall measured shadows to find the height of a tree. the students shadow was 24 inches long, and the shadow of the tree was 13 feet long. which proportion should be the student use to find the height of the tree in inches?

Which expression is equivalent to 2x^2+7x+4?

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

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?