This may help https://www.ck12.org/geometry/Reflection-Symmetry/lesson/Reflection-Symmetry-GEOM-HNRS/ If not wait for somebody else. I hope it does help, though. Good luck! :)
Answer:
It costs $9
Step-by-step explanation:
45/5 = 9
Answer:
See below.
Step-by-step explanation:

The first step could be more complicated if the fractions didn't already have a common denominator.
<h2><u>Expressions</u></h2>
<h3>Expand the expression 4(x - 3)</h3>
To expand an expression, apply distributive property.
<em>(See picture for better understanding)</em>
Wxndy~~
(−∞,∞) will be the answer