Which equation represents a circle that contains the point (–2, 8) and has a center at (4, 0)? distance formula:

hello :
an equation of the circle Center at the A(a,b) and ridus : r is :
(x-a)² +(y-b)² = r²
in this exercice : a = and b = 0 (Center at the: A(4;0)  )
r = APP(-2,8)
r² = (AP)²
r² = (4+2)² +(0-8)² =36+64=100
an equation of the circle that satisfies the stated conditions.
CenterA(4,0), passing through P(-2 8) is : (x-4)² +y² = 100

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

my guess would be b and d, but i didn’t actually get out the pen and paper. lol