Answer:

Step-by-step explanation:

If
than
and 

<u>⇒ Switch sides:-</u>
<u />
<u>⇒ Add 1 to both sides:-</u>
<u />

And...

<u>⇒ Add 1 to both sides:-</u>
<u></u>

<u>⇒ Now, Combine the intervals:-</u>
<u />
<u>OAmalOHopeO</u>
Answer:
An algebraic expression is an expression built up from constants,variables, and the algebraic operations.for example:3x^2-2xy+c is an algebraic expression.
Answer:
IDK try searching it up
Step-by-step explanation:
The answer is -8
I found my answer by using desmos. It is the best app for graphing. I wrote the equation and then I looked for the point 18 on the y axis and then I looked where it was on the x axis
that is how I found my answer.