Answer: 5.1 is the height. I am sooo sorry if I am wrong :(
Step-by-step explanation:
The answer should be 90.8 because when you add up all the temp. you get 454 then you divide by # of days which is five
hope this helps :)
5 big cubes 4 longs and 2 small cubes
ANSWER

EXPLANATION
We use the method of completing the squares.
The equation is

We rewrite the above equation to obtain;

We divide through by 3 to obtain;

We add half the coefficient of

to both sides of the equation to get,

The right hand side is now a perfect square.

We now take square root of both sides to get;

We add -2 to both sides,

We simplify to obtain,