The circle below is centered at the point (1, 2) and has a radius of length 3.
What is its equation?
O A. (x-1)2 + (y + 2)2 = 9
O B. (x - 2)2 + (1-1)2 = 32
O C. (x - 2)2 + (y + 1)2 = 9
O D. (x-1)2 + (y-2)2 = 32
10

Explain why the factor 1.5 is broke. into two numbers in the model.

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%