Percent error is 10.7%
Step-by-step explanation:
We need to find the percent error:
We are given:
Estimate value = 7.2
Actual value = 6.5
Percent Error=?
The formula used is:

Putting values:

So, Percent error is 10.7%
Keywords: Percent Error
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a.



b.



c.




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Answer:
Below in bold.
Step-by-step explanation:
4x + y = 9
Let's put x = 0 then:
4(0) + y = 9
0 + y = 9
y = 9
So one. ordered pair that is a solution is (0, 9)
That would be D. The first two would be fight (I think) except they don't include turning the calculator on. C is just plain wrong. D has all the right keystrokes.