<span>
the complete question in the attached figure</span>
The answer is the option A
9.9 grams
because the balance is accurate to the nearest 1/10 gram; thus, the <span>highest level of accuracy appropriate to the limitations of the balance is 0.10 gram (1/10)</span>
Answer:

Step-by-step explanation:
Hello, please consider the following.
We can read from the graph that the vertex is (1,-4) , it means that the equation is, a being a real number.

And the point (0,-1) is on the graph so we can write.

So the equation is.

Hope this helps.
Do not hesitate if you need further explanation.
Thank you
Answer:

Step-by-step explanation:
Given

Required
Represent as inequality
At least means
i.e. greater than or equal to.
So, the inequality is:

Substitute 

The answer is 29.13. 27.63 + 1.5 = 29.13