Solve for This inequality

8-1/4n>20

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

What is the relationship between all triangles that can be drawn given the same three angles

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?