3x+12=39
Minors 12 on both side
3x=27
Divide 3 on both side
X=9
54x89=4806
123x85=10,455
64x15=960
264x14=3,696
Answer:
<h2>Model B</h2>
Step-by-step explanation:
The model needs to show 1.8 because 2 x 0.9 = 1.8. Model B is the only model that shows this.
<em>Hope this helps</em>
Using the SA formula you'll have to substitute in the edge length for s.
SA = 6(312)²
SA = 584064
The surface area is 584,064 feet²
Hope this helps :)