Im sorry all i know is that the lines are parallel and A and B are definitely on the line, i believe the answer is D
Answer:
La calculadora y el cuaderno costaba 9 y 1,8 euros hace tres días.
Step-by-step explanation:
A partir del enunciado podemos construir el sistema de ecuaciones lineales:
Hace tres días:
(1)
Actualmente:
(2)
Donde:
- Precio de la calculadora.
- Precio del cuaderno.
Por métodos algebraicos, tenemos que el sistema de ecuaciones tiene la siguiente solución:
, 
La calculadora y el cuaderno costaba 9 y 1,8 euros hace tres días.
Answer:
Sir, as for as I can tell that is the correct answer. Maybe you put it in wrong or added a space but that’s correct 100%.
Unless it’s not supposed to be in y = mx + b format?
Step-by-step explanation:
Hi!
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Area of a triangle = 
Area of a square = 
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QUESTION 1: Determine the area of the triangular face.



<u>The triangular face is 320 square feet.</u>
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QUESTION 2: Determine the surface area of the entire figure.



<em>Now, add the 4 triangular faces to the area of the square face.</em>



<u>The total surface area is 1204 square feet.</u>
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<u><em></em></u>
<u><em>For more information, see:</em></u>
brainly.com/question/4637102
brainly.com/question/22971514
Answer:
20
Step-by-step explanation:
It is because 9x2=18
3 subtracted from 18 is 15
15+5=20
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