The thousands, this will make the number decrease by 1,000
They are similar triangles so 20/4=15/x
solve for x
20x=15*4=60
x=3
Answer:
The shaded area is 
Step-by-step explanation:
we know that
The shaded area is equal to the area of the large square minus the area of the two smaller squares
so

Calculate the shaded area
Remember that

substitute

That would be B.
The set of points are all on the line which is a bisector.
2 plants in a square foot
6 plants in a square yard
8 seeds per square foot