The intersection of two planes is always a line
Most real number arithmetic is pretty vacuous

That's about as good a way as possible to write this particular real number. But it's far from the only way.

so

Sometimes you can factor something out and you have a common radical:

But most of them are vacuous,

Answer:
15
Step-by-step explanation:
4/5 4*3 is 12 5*3 is 15
1. Same length.
2.vertically opposite angle.
3.BAC =BDE
4.AC = DE
Hope this helps you ___!!❤
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