Getting at least a 80% ( B average) is also good still very close to 90
10(5+n)
distribute
50 + 10n
Choice D
Answer:
<h2>432 ft²</h2>
Step-by-step explanation:
The formula of an area of a trapezoid is:

<em>b₁, b₂</em><em> - bases</em>
<em>h</em><em> - height</em>
<em />
We have:
<em>b₁ = 20 ft, b₂ = 16 ft, h = 24 ft</em>
Substitute:

The answer to your question is <span>8(n-3)=64</span>