I found width=13.72 ft and length=43.72 ft.
Call one dimension of the rectangle x, the other will be x+30
You want an area A=600 ft^2 but A=length x width=x*(x+30)=600
Rearranging you get:

solving this quadratic equation you get a negative solution and a positive one that gives your result.
There are 6 squares so u multiply 6x3=18 is the total surface area
Answer:
so the vertex is (-4, 0) and the axis of symmetry is x=-4
Step-by-step explanation:
f(x) ≥ -(x+4)^2
f(x) ≥ -(x- -4)^2
this is in the form
f(x)> a(x-h)^2 +k
where (h,k) is the vertex and h is the axis of symmetry
so the vertex is (-4, 0) and the axis of symmetry is x=-4
I believe the Slope- intercept formula is y = mx + b
Slope is your m = -4
Point: (2, -4)
x = 2
b is your y-intercept = -4
Answer: y = -4(2)+ -4 or -4(2)-4?
So sorry if it’s wrong but I hope this helps