Answer:
B- A square because it has 4 sides that are the same length.
Explain:
I misread earlier, but a rhombus is defined as a quadrilateral with four equal-legnth sides and opposite sides parallel to each other. All squares have all of these properties.
The initial value equation is 
<h3>How to solve the initial value?</h3>
The equation is given as:

Where
Y(0) = 1
Subtract 2y from both sides in the equation

Rewrite as:

Integrate both sides of the equation

Multiply through by -2

Take the exponent of both sides

Next, we solve for C under the initial condition Y(0) = 1.
This gives

Evaluate
-2 + 3 = C
Solve for C
C = 1
Substitute C = 1 in 

Next, we solve for y

Hence, the initial value equation is 
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Answer- D.
The +1850 is the y intercept
Answer:
Area of Rectangle A

Area of Rectangle B

Fraction

Step-by-step explanation:
From the attached, we understand that:
The dimension of rectangle A is 2x by 2x
The dimension of rectangle B is x by 2x
Area of rectangle is calculated as thus;

Area of Rectangle A


Area of Rectangle B


Area of Big Rectangle
The largest rectangle is formed by merging the two rectangles together;
The dimension are 3x by 2x
The Area is as follows


The fraction of rectangle A in relation to the largest rectangle is calculated by dividing area of rectangle A by area of the largest rectangle;


Simplify


Yes it is C if you do the math and simplify it that is what you’ll get