Answer:
The graph is a solid line, and the shading is above the line.
Step-by-step explanation:
Given

Required
Describe the graph of the inequality
We have:

Subtract x from both sides

The sign
implies that the graph has a solid line
The sign
which means greater than or greater also implies that the upper region is shaded
Answer:
There are 154,440 ways.
Step-by-step explanation:
The word arrange means that the order in which the books are placed is important, which means that the permutations formula is used to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:

In this question:
5 books from a set of 13. So

There are 154,440 ways.
Answer:
length of the longest side is less than 21
Step-by-step explanation:
5n+6n+7n=18n
18n<54
n<54/18
n<3
7*3=21( longest side.
)
If 1 DVD is $17.75
Then 5 DVDs would be ($17.75*5) which equals $88.75
:)
2x2(23-3x6) 4x(23-18) 4x5=20