What is the error on the subject-verb agreement?

modern calculators, which can compute sums almost instantaneously, derives from abacuses, hand operated devices with beads that slide along rods.

June and sylvio speak to mr. teller in the driveway of their farmhouse. it is raining hard, and they all carry umbrellas. a dog sits on the steps of the house. june: we didn’t think you’d be coming back for the puppy. mr. teller: i said i would when i dropped the puppy off. sylvio: yes, but that was months ago. we thought you’d be back for the puppy in a couple days. now she’s a full-grown dog. we have raised her ourselves, we built her her own doghouse, and we love her. mr. teller: but she’s my dog. i only dropped her off at your house for safekeeping since i had to go out of town on business. now i’m back and i want my dog back. what is the setting of this play? a basket a farm a doghouse a trip

Ineed to write a write a 4–5 paragraph compare and contrast essay that addresses how anne frank matures over the course of writing her diary. it's also a compare and contrast essay i just got put into this new class and i don't know if we were supposed to already be reading and the essay is due today and i haven't even started it nor read the book, someone me what do i do

Which of the following story descriptions most directly shares themes with the passage above