Answer: x4+13x2+36=0
Step-by-step explanation:
Let's solve your equation step-by-step.
x4+13x2+36=0
Step 1: Factor left side of equation.
(x2+4)(x2+9)=0
Step 2: Set factors equal to 0.
x2+4=0 or x2+9=0
Answer:
The exact area is 
Step-by-step explanation:
The area of the major circle is subtracted from the area of the minor circle (blank)
Major circle


Minor circle:


The shaded area:

Hope this helps
$10740
This is because that amount multiplied times .06 is equal to the answer. <span />