Mochila is a backpack.
Things like:
un escritorio - a desk
una ventana - a window
una silla - a chair
la escuela - the school
la pizarra - the chalkboard
Hope this helps.<3
Have a great day!!
Answer:
Te preguntamos Isabela y Sara visitan la playa
Ok here’s an acronym I used for ser and estar it helps so much
H- health
E-emotion
L- location
P- present progressive
I don't fully understand your question, however if referring to spaniah class, or math class it is clase de español, and clase de mathematicas