a school district collected 14,621 pounds of recyclables during last year. This year was 3,943 more pounds of recyclables than it collected last year. How many pounds of recyclables did the school district collected last year?

In the figure dhg fhe which statement is true by cpctc

The parabola opens: y=√x-4 (principal square root) up down right left

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?