Subtract 6 from both sides, you get 1/3x=-14
Now multiply both sides by there, hence x=-42
60 decimeters to meters is 6 meters.
296/21 is the answer hope this helps
Please include the diagrams in that question :)
Answer:
square units
Step-by-step explanation:
The simple formula we need here is:

Where
d is length of diagonal
s is length of side of square
Let's find side length of square from information given:

Now,
we know area of square is 
We know s, and now we find area
Area = 
The first answer choice is right, 1/2x^2 sq. units.