Which of the following sentences is punctuated correctly?
A. We need to pick up the toys, dust the rooms, and
start the laundry.
B. We need to pick up the toys dust the rooms, and
start the laundry.
C. We need to pick up the toys, dust the rooms and
start the laundry.

- the mistakes that have been done in the past will repeat themselves

- you will trust all the wrong people

at hatfield elementary school, there are 504 students in 7 classes. each class has the same number of students. what is a good estimate of the number of students in each class?