Dispongo de botellas iguales para una excursion. En una botella caben 5 novenos de litro, ¿Cuantas botellas necesito si he de llevar a la excursion 5,5 litros?

How do you determine whether a relationship represented as as graph is linear or nonlinear

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?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.