Answer:
X=120
X=54
Step-by-step explanation:
(this is for the top one and the one below the top one)
(I think they are right)
What do you mean about that
Answer:
(2 decimal places)
Step-by-step explanation:
Quadratic Formula: 
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Plug in values:

First value of x:
(2 decimal places)
Second value of x:
(2 decimal places)
Answer:
Yes
Step-by-step explanation:
Yes,the area is the space inside a shape. If we change the borders of the shape, in space in the interior will change.