Answer: Fluid friction describes the friction between layers of a viscous fluid that are moving relative to each other
Hope it helps:) I got it right on my test btw
Step-by-step explanation:
Answer:
say less
Step-by-step explanation:
Let the width =x
length = 6x
p=14x
28=14x
x=2
The sum of all the measurements is just the average times the number.


So if the average of all 92 is 7 the sum of those is

The average of the last two is 7.2 so their sum is

That means the sum of the first 90 is

so the average of the first 90 is

cm