Answer:
J, 6
Step-by-step explanation:
plug in the values given into the equation
x = 5 and y = 2
4(5) - (2)³/ 2
20 - 8/2
20 - 8 = 18
12/2
6
the value of
is 6 when the values are plugged in
Answer:

Step-by-step explanation:
Given
Represent number of DVDs with x


(at most)
Required
Represent as an inequality
If 
x DVD would cost:


So, to make an order of x DVDs, Deacon will pay for
x DVDs and Handling Fee
So:

Recall that his budget is at most $75
This implies that: 
So, the relationship between his payment and budget is:

Answer:
Point (-2,1) Doesn't fall on the line.
18 is the answer I believe hopefully this is correct
The are of a square is determined by squaring the side. And the length will hence, be determined by square rooting the area.
∴ length of this square is = √84 = 9.165