It should be 7.8 which is answer D
Answer:

Step-by-step explanation:
So we have the equation:

And we want to solve for g.
First, isolate g. To do so, subtract vt from both sides:

Multiply both sides by 2:

Now, divide both sides by t^2:

Expand:

Simplify the second term:

And we're done!
Answer:
No.
Step-by-step explanation:
It is not because 20 is not a perfect square.
Answer:
Five number summary
Step-by-step explanation:
I just relearned this yesterday