Answer:
or 8.944
Step-by-step explanation:

Simplify

Square root both sides to get x by itself

or 8.944
Answer:
I think its x=15
Step-by-step explanation:
45 i believe it is i may be wrong!!!
Answer:
the 4th one ,hoped this help
Answer:
7 - - 5 = 12
Step-by-step explanation: