Answer:
D.
Step-by-step explanation:
A square root can't be evaluated if the number we want to find the square of is nagative.
Question↓
Which is a unit rate?
Answer↓
The Correct Answer Is 6 hours: 1 Book
unit rate. • a comparison of two measurements in which. one of the terms has a value of 1.
Hope this helps!! ^ω^
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