Creo que 1860? :) lo siento si esta mal
<span>Unless you have some other choices, I'd have to say Stratification, to make sure the groups are representative and heterogeneous.
I hope I helped.</span>
All right triangles have a 90 degree angle. A right triangle has a hypotenuse, base and a side.
An expression is a sequence of terms without an equal sign (so like an equation without an equal sign)
j + 250
The answer is C. Circle
Hope this helps :)