Answer:
<h2>DOMAIN: The set of all real numbers except 0</h2>

Step-by-step explanation:
We have a faction.
We know: the denominator must be different from 0. Therefore

Answer:
Dani walked further than Wendi
Step-by-step explanation:
10500 ft = a little over 1 mile
It seems you tried to write √(-20)
use the fact tha -1 = i^2
Then, √(-20) = √(20i^2) =(√20) i = (√(5*4))i = 2√5 i = 2i√5, which seems to be what you tried to write in the option B.
Answer:
-12
Step-by-step explanation:
Parentheses first 4.5-5.125=-0.625
7.5/-0.625=-12
1/5 is equal to 0.2, which is also equal to 20%