Rewrite the following equation in the center-radius form of the equation of a circle.
x2 - 6x + y2 - 8y + 21 = 0

A.
(x - 5)2 + (y - 3)2 = 4
B.
(x - 6)2 + (y - 8)2 = 4
C.
(x - 3)2 + (y - 4)2 = 4
D.
(x - 4)2 + (y - 6)2 = 4

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

ok thats very interesting

answer:   x*94 +688*6   = 267*100

94x+4128=26700    

94x=22572     /94

x=240.128

step-by-step explanation: mark as brainlest reallly need it thx