Answer:6minutes
Step-by-step explanation:
3 hours =180min
180min divided by 30 windows is 6
They are variables they can equal anything. it is just an example of two different fractions who's numbers are unknown.
Answer:
10x²−9x
Step-by-step explanation:
10x²−10x−6+x+6
=10x²−10x−6+x+6
Combine Like Terms:
=10x²−10x−6+x+6
=(10x²)+(−10x+x)+(−6+6)
=10x²−9x
Hope this helps!
Answer:
It could be to: collect data from a sample of every twentieth student who arrives at school one day
