Answer:
B and D on edg
Step-by-step explanation:
just did it
As, v=√2as
Squaring both sides,
v²=2as
∴ s= v²/2a
Answer: 
Step-by-step explanation:
By definition, the perimeter of a rectangle is:

Where "l" is the lenght and "w" is the width.
If you solve for "l":

In this case, you know that the following expression represents the perimeter of the rectangle:

And the width of that rectanle is represented wih this expression:

Therefore, based on the explained above, you can conclude that the lenght of that rectangle is given by:

Finally, simplifying the expression, you get:

Answer:
-66, -21, 78, 90
Step-by-step explanation: