John earns $20 for every yard he mows. Write an equation to show the proportional relationship between the number of yards he mows and the amount of money he makes.

How do i do this activity, is appreciated

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?

Consider circle o, where and . m∠bpd °. °.