Question

write an equation of a circle. area 4pi, center (1, -2)

Answer 1

I think you must see this URL: http://wiki.answers.com/Q/A_uniform_lead_sphere_and_a_uniform_aluminium_sphere_have_the_same_mass_what_is_the_ratio_of_the_radius_of_aluminium_sphere_to_the_radius_of_the_lead_sphere

Answer 2

2^2=(y+2)^2+(x-1)^2

I think

Answer 3

\[11.3*10^3/2.7*10^3)^(1/3)=ra/ri\]

Answer 4

The more important thin is that you know how to do it Kayla.

Did I get it right?

if so do you know what I did to get answer?

Answer 5

Yea because 2^2, but it has pi, so im checking to see if you do anything with the pi...