Answer:
M=3
Step-by-step explanation:
Use the slope formula
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2x+5=x-8
-x on both sides
x+5=8
-5 on both sides
x=-13
Answer:

Step-by-step explanation:
Let
.
and

The graph of the two equations are shown in the attachment.
The points where the two graphs intersected are: 
The x-coordinates of the intersection points are the solutions to
.
Therefore the solutions are: 
Answer:
$16.90
Step-by-step explanation:
First you need to find how much the markup is in dollars.
Multiply 13(0.3).
This will give you 3.9.
Then you add this to the original cost of the glasses.
13+3.9= 16.9.
So, the final cost of the glasses is $16.90.
Answer:
120,000
Step-by-step explanation:
because seven in greater than 5 so it would round up