Answer:
5.5 inches
Step-by-step explanation: hope it helps
Answer:
sqrt(678)=
26.0384331
Step-by-step explanation:
Answer:
X = -3. non-extraneous
Step-by-step explanation:
The given equation is 
We cross multiply to get:

Expand and multiply.


We factor to obtain:


Checking for extraneous solutions
Substitute x=-3 


.....Non-extraneous
Checking for x=6


....Non-extraneous
Answer:
9
Step-by-step explanation:
6a=54
a=54/6
a=9
You have to add the square root then do the division 54 is the answer