Answer:
<h2>22 meters.</h2>
Step-by-step explanation:
It's important to notice that the area is circular, which is defined by

Replacing given values and solving for r, we have

But, the diameter is twice the radius, so

Therefore, the diameter is 22 meters.
Answer:
x is EQUIVALENT to 2.89
Step-by-step explanation:
Answer:6x^3+16x^2-42x-40
Step-by-step explanation:
To expand
(-2x-8)(-3x^2+4x+5)
6x^3-8x^2-10x+24x^2-32x-40
Collect like terms
6x^3-8x^2+24x^2-10x-32x-40
6x^3+16x^2-42x-40
The simplified ratio is 3:4