<h3>
Answer: 216 square feet</h3>
Work Shown:
Old area = 12*15 = 180 square feet
New area = 18*22 = 396 square feet
Difference = New - Old = 396 - 180 = 216
The patio's area increased by 216 square feet.
Answer:

Explanation:
The equation is:

and

<u>1. Subsittute n = 6 into the equation:</u>

Now subsititute the known values:

You can solve for 

<u />
<u>2. Substitute n = 5 into the equation:</u>

Substitute the known values and solve for 

<u>3. Substitute n = 4 into the equation, subsitute the known values and solve for </u>
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<span>THE ANSWER:
</span>112 - 7 = 105
105 <span>÷ 7 = 15
</span>x = 15
Answer: Any pictures or more information?
Step-by-step explanation: Really happy to help you
Answer:
c = 154°
Step-by-step explanation:
I Hope this helps.