A,a, c I hope this helps!
First of all, we may refer to the things in classroom in Spanish as both “Los artículos del aula de clases” and “Los objetos de la clase<span>“. We will begin by looking at a picture containing several of these items. We will see them in sentences later to hear their pronunciation and how they could be used in real contexts.</span>
Answer:
, 
Explanation:
El área total de la lamina es 
(The total area of the sheet is ). La función asociada al área sobrante es (The function associated with the remaining area is):
El radio máximo está asociado con la longitud más corta de la lámina. Asúmase que 
(The maximum radius is associated with the smallest length of the sheet. Let assume that ):
La longitud necesaria de hule de protección es igual a: (The required length of proctection rubber is equal to)
Answer:
La profesora les dio las respuestas del examen a los alumnos sin saber que hizo
