Answer:
Cuadrilátero A: 
Cuadrilátero B: 
Step-by-step explanation:
Existen dos formas distintas de determinar las áreas de cada cuadrilátero:
(i) <em>Obtener el área de cada cuadrado y sumar los resultados.</em>
(ii) <em>Calcular los lados del cuadrilátero grande y determinar el área. </em>
Cuadrilátero A
Método (i)


Método (ii)


Cuadrilátero B
Método (i)


Método (ii)


Answer:
82
Step-by-step explanation:
2*5 + 9*8 = 10 + 72 = 82
Answer:
It's a valid sample because the first five people were selected to participate.
Step-by-step explanation:
True because random people who saw the advertisement responded. By chance, not every person who saw the advertisement answered, therefore it was random, but it would be more random if he decided to reject the second, fourth, sixth, and eighth person, and only the first, third, fifth, seventh, and ninth were chosen.
Answer:
value of blue dot is -6
Step-by-step explanation:
-6 is visible if you go 3 units to the left of -3. -3 - 3 = -6.