Aperson 5 feet 3 inches tall casts a 6-foot shadow. at the same time of day, a lamppost cast an 18-foot shadow. what is the height lamppost? a. 15.75 ft. b. 15.9 ft. c. 31.5 ft. d. 1.5 ft.

What does x = in this equation x+3+2x=x+5

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?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m