Answer:

Step-by-step explanation:
Polynomial =
.
Before determining the degree of the polynomial, let's open the parentheses using the distributive property .

Degree is the highest exponential power in a polynomial .
So, the degree of the given polynomial is 5.

Answer:
the profit in the case when the shop is closed for 6 hours is $41
Step-by-step explanation:
The computation of the profit in the case when the shop is closed for 6 hours is shown below:
= Expression of the situation × number of hours in which the shop is closed
= 45 - 2 ÷ 3 × 6 hours
= $41
hence, the profit in the case when the shop is closed for 6 hours is $41
Therefore the third option is correct
In math and and other types of school stuff :) if that's what your asked
Solution:
we have been asked to find
The expression is equivalent to 
we can simplify the given expression as below

Hence the simplified expression , equaivalent to the given expression is 1/2.