Answer:
5
Step-by-step explanation:
Degree simply means the highest exponent.
I'm assuming

is fixed. First note that

when

.
We can rewrite each expression as


Now to compare we only need to consider the exponents. It's easy to show that

for all

, so it follows that

so long as

.
Answer is 200 ft.per minut
Answer:

Step-by-step explanation:
Solve for x;
2x - ( x - 2 ) = 4x
distribute minus sign through parantheses
combine like terms
subtract x from both side
- x - x + 2 = 4x - x
- 2 = 3 x
Divide each side by 3


This makes no sense because the rows have to be smaller than the bookshelf
the rows fit in the bookshelf
the way to do it would be height of bookshelf/height per row=number of rows (round down)
if we used that, then 112/316=0.35 rows
round down
0
so we got 0 shelves because it is impossible to have a row higher than the bookshelf that it is on