The area of a square is S^2 with S as one side. To find the length of the side, simply work the formula backwards. The square root of 400 is 20. Hope this helps! :)
Answer:
Option 3
Step-by-step explanation:
Answer:x=0
Step-by-step explanation:hope it helps, brainliest? i could really use it
Answer:
2d+18
Step-by-step explanation:
Distribute the 2 to the d and the 9
Answer:
1/2 a kilometer per year
Step-by-step explanation:
To find the speed you divide the distance traveled by the time it took to get to that distance
10/20=1/2
its traveling at 1/2 a kilometer per year
have a great day :D