We want to simplify √(-48).
Note that
i² = -1 by definition.
Therefore

Answer: c.
Answer:
Step-by-step explanation:

Answer:
8
Step-by-step explanation:
total number of pencils = 186
number of students = 23
number of pencils each student gets = number of pencils ÷ number of pencils
=186/23
=8.08
so each student gets 8 pencils
Answer:
x= -9
Step-by-step explanation:
7(x+2)=-49
divide both sides by 7
(x+2)=-7
subtract 2 from both dies
x= -9
Answer:
4 quarters
4 nickels
Step-by-step explanation: