1. el mercado
Answer 1: el mercado moderno
2. los mercados
Answer 2: los mercados modernos
3. la casa
Answer 3: la casa moderna
4. las casas
Answer 4: las casas modernas
Explanation: in Spanish, adjectives must agree with the noun they describe in gender and in number.Adjectives have to agree in gender and number with the noun they accompany.
<h2><em>Spymore</em></h2>
Van is the missing word.
There you go.
It means pen
Bolígrafo can also be lapicero which means pen
The square root of 18 is 4.2426406871
or if you simplify it, 4.2