a large cheese pizza at a palanzios pizzeria costs $6.80 plus $0.90 for each topping. the cost of a large cheese pizza at gordos pizza is $7.30 plus $0.65 for each topping. how many toppings need to be added in the order for the pizzas to cost the same.

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?