<u><em>Answer: r=12.3 *The answer must have a positive sign or decimal point.*</em></u>
Explanation:
First, you had to do is add 17.1 from both sides of an equation.

And then, simplify by equation.

You can also add by the numbers.


Hope this helps!
Changing
"inverts" the orientation of the x axis, so the graph of f(x) is transformed by reflecting it about the y axis.
(-2+I)(3-6i)
-2i + -6i = 12i
Because pools are normally very large, you would use a larger unit, like meters, to measure it. Fish tanks are usually a lot smaller than pools, so you would use a smaller unit to measure them, like centimeters.
Your answer is a fish tank.