Final answer:
The best option to complete the sentence is 'calculadoras' which means calculators in Spanish.
Step-by-step explanation:
Based on the options given, the best choice to complete the sentence is calculadoras. The sentence states that Paula goes to the math and geometry class and has something. Since books, pencils, and pens are not commonly associated with math and geometry, the most suitable option is calculadoras, which means calculators in Spanish. Calculators are commonly used in math and geometry classes for calculations and problem-solving.
Learn more about the use of calculators in math and geometry classes