Answer:

Step-by-step explanation:
step 1
Find the area of the circle with a diameter of 9 units
we know that
The area of a circle is equal to

we have
----> the radius is half the diameter
substitute


step 2
Find the area of a square with a side length of 8 units
we know that
The area of the square is

where
b is the length side of the square
we have

substitute

step 3
Equate the areas

solve for 

Answer:
D
Step-by-step explanation:
Each term has been multiplied by 2/5.
-1/2 * 2/5 = -2/10=-1/5
-1/5 * 2/5 = -2/25
-2/25 * 2/5 = -4/125
-4/125 * 2/5 = -8/625
The difference between the flat fees of the two companies is $20
Answer: $8.95 per yard of fabric
Step-by-step explanation:
Define the following:
x = cost of fabric per yard
Make an equation:
⇒ 3x + 1.25 = 28.10
⇒ 3x = 26.85
⇒ x = 8.95
∴ $8.95 per yard of fabric