Answer:
$840
Step-by-step explanation:
4 weeks = 28 days
28 x 30 = 840
Answer:
B is correct.
Step-by-step explanation:
Quadratic Expression (Standard Form) is:

To say it simply, the expression must have 2 as the highest degree.
This means that if there are any higher or lower degrees than 2 then they are not quadratic expression.
A choice is not quadratic expression because it has 1 as the highest degree.
B choice is correct because 2 is the highest degree.
C choice is wrong because 3 is the highest degree.
D choice is wrong because it is not a polynomial.
Therefore, B is correct.
I think the answer is A sorry if I’m wrong
The answer is B, hope this helped
1.A: 86 is equal to (86=) 45 % (which is 0.45) of a number n so 86=0.45n
2. C 4 is npercent of 26, so 4=n*26 where n is a number in percent, with the percent sign!