When parentheses are around a number being squared, the output value will always be positive.
For example: -2² vs (-2)²
-2² means the <em>negative of the square of two</em>, or -4
(-2)² means the <u /><em>square of negative two</em>, or 4
<em />
30=(10*3*x)/2
*2 *2
60=10*3*x
60=30x
60/30=30x/30
2=x
The final equation of line that passes through (9, 0) AND (0, -6) is:

Further explanation:
The general form of equation of line is:

Given
(x1,y1) = (9,0)
(x2,y2) = (0, -6)
We have to find the slope first:

Putting the value of slope in general form

To find the value of b, we have to put a point in the equation
Putting (9,0) in equation

Putting the values of b and m in general form
The final equation of line that passes through (9, 0) AND (0, -6) is:

Keywords: Equation of line, Pount-slope form
Learn more about point-slope form at:
#LearnwithBrainly
So basically we can check them all by multiplying all of the dimensions.
A: 3 * 3 * 40 = 360, so yes, it could be the dimensions
B: 4 * 4 * 20 = 320, so no, it couldn't be the dimensions
C: 6 * 6 * 10 = 360, so yes, it could be the dimensions.
D: 2.5 * 12 * 12 = 360, so yes, it could be the dimensions.
E: 3.6 * 10 * 10 = 360, so yes, it could be the dimensions.
I hope this helped :)
Yeah definitely the first guy