Choose the correct indefinite article for the following word exámenes
un
una
unos
unas

Which system of linear inequalities is represented by thegraph? x-5ys-5 and ys-2x - 4 x + 5y > 5 and y s 2x + 4 x-5y < -5 and y < -2x + 4 x + 5y > 5 and y < 2x - 4

Achemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. what is the value of x, the acid concentration of the first solution

When describing nouns in english, the noun being described comes second. what is the proper format in spanish? the noun being described comes first followed by the describing noun. the describing noun comes first followed by de (of) and the noun being described. the noun being described comes first and is followed by de (of) and the describing noun. the describing noun comes first followed by the noun being described.