Hi there!
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I believe your answer is:
(4, 1)
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Here’s why:
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~Solve by Graphing~
- I graphed the given equations in a program.
- The point of intersection, if the lines pass, would be the solution.
- The point of intersection in the given system of equations is (4,1).
- This means that (4,1) is the solution.
- See the graph attached.
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Hope this helps you. I apologize if it’s incorrect.
Exercise 4
A grow from 13.1 millions to 14.4 millions means to grow

millions. So, the question is: which percentage of 13.1 is 1.3? Well, we have to find a number x such that

Solving for x, you have

Exercise 5
27% is a bit more than 25%, which is a quarter. So, we expect to find a pie chart with one slice occupying roughly one quarter of the pie. The example that best suits this requirement is B (A is almost half, and C is less than one quarter).
Answer:
I think the awnser is for AOC is 120 I think
If the prices are multiples of 2, then (excluding $0 or free), then the possible prices are such that they add up to $10.
Possible prices are
(2,8),(4,6)
or
$2 and $8, or
$4,$6.