The solution is
.
Solution:
Given inequality:

Divide by 7 on both sides.


The solution is
.
The image of the graph is attached below.
Answer:
$27.59
Step-by-step explanation:
1) First we calculate the sales tax:
30 x .15 = 4.5
30 - 4.5 = 25.5
2) Now we calculate sales tax
25.5 x .082 = 2.09
25.5 + 2.09 = $27.59
Answer:
Coordinates of the midpoint are (-5.5, 5)