Answer:
Step-by-step explanation:the area of the metal frame would be 12X^2 so it would be 144X
Step-by-step explanation:
If the side length of the metal frame is 12x, the area of the frame is
(12x)^2, or 144x^2. The radius of the mirror is irrelevant here.
126?
1= -15 °C
2= 7 minutos y medio
1= colo la temperatura va bajando 2 grados cada minuto lo único que hay que hacer es restarle 30 °C a 15 y nos da -15 ° C
2= Solo divides 15 entre 2 y ya.