Answer:
Answer the following question - 10 +(-10)
<h2><u>- 20</u></h2>
Hello. It is already in a simplified fraction, that is as far as it goes.
In this question, it is given that two of the dimensions are 3 cm and 9 cm . Let the other dimension be x cm .
And the surface area of the rectangular prism is given. Now we use the formula of surface area of prism, which is



Subtracting 27 to both sides,

Dividing both sides by 12

So the length of the remaining dimension is 6 cm .
Let her total earnings = y (dependent variable)
and her hours worked = x (independent variable)
y = 18x + 75
I would say that the tree is 12 feet high.
And to find out the answer you could use the quadratic formula :)