Which statement describes a relationship between these equations? equation 1: y = 3x - 7
equation 2: y = -4x - 7

Abcd is a parallelogram find the valuse of x

How many $20 bills do you need to have to make $280

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?