I think it’s 22 or 23...I’m so sorry if it’s wrong :/
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:
B. 17 ft
Step-by-step explanation:
in a rectangle both diagonals are equally long.