Answer:

Step-by-step explanation:

Square both sides.



Answer: the answer would be c
Step-by-step explanation:
Isn't square root of 4X =4X squared and the square root takes away the square and leaves it as 4Xso there for 20 squared and rooted=20X thus making it 4X times 20X makingX=80
36.1419423938
Good luck on your packet I just did this on mine
Answer:
2,4
Step-by-step explanation: