Too much noise can damage your ears, wearing earplugd at concertsis important

Question:

Select the correct answer from the drop-down menu.

Too much loud noise can damage your __________________ at concerts and while using loud machinery is important.

ears; wearing earplugs

Explanation:

I just took the test

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?