The pronoun when talking about a grandmother is abuela
Not enough information it says “The mom does exercise..” like okay but what about it? I can help but I need the rest to answer the unfinished question.
The answer would be the "Breastroke" is the one you used the most meaning that when you swim you use your arms and legs.
Answer:
1. La computadora está encima de la mesa.
2. La silla está detrás del escritorio.
3. Los libros están al lado de la ventana.
4. La mochila está enfrente de la puerta.
5. La papelera está al lado del escritorio.