Two variables are proportionally related with a constant of proportionality k. Which of the following points must lie on the graph of this relationship? (A). (k, 0)
(B). (k, 1)
(C). (0,k)
(D). ( 1,k)

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?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2