The answer would be 5,400 ( 3000 times 0.15 would be 450 then, 450 times 12 is 5,400.)
-1/2 I think is the slope
Answer:
Step-by-step explanation:
The speed one (c) is a red herring. Nothing we can see measures her speed.
The only graph that could possibly represent the right answer is D (first graph from the right). It shows that she topped 1/2 way up. It also shows that she took her time about coming down when she was at the top.
The only thing we don't know is A. What's on the vertical axis?
Answer:
Option b (4,1)
Step-by-step explanation:
The region given by the system of inequalities is shown in the graph. We must look within this region for the point that minimizes the objective function 
The minimum points are found in the lower vertices of the region.
These vertices are found by equating the equations of the lines::

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The lower vertices are:
(4, 1) (2, 4)
Now we substitute both points in the objective function to see which of them we get the lowest value of 

Then the value that minimizes f(x, y) is (4,1).
Option b
Well let’s say you put $100 in the bank. And they charge 10% interest. And 10% of $100 is 10. So it would be $10 interest.