Pls help! I need to know if this is right! 50 points!

A small delivery company can deliver only in a small part of the city. Write an equation for the boundary where the company delivers. and find its radius.

Select the appropriate response:

A) (x+1)2+(y-1)2= 25 radius = 5 miles

B) (x-1)2+(y+1)2= 25 radius = 5 miles

C) (x+1)2+(y-1)2= 25 radius = 10 miles

D) (x-1)2+(y+1)2= 25 radius = 10 miles

B) (x-1)2+(y+1)2= 25 radius = 5 miles

Step-by-step explanation:

Equation of a circle:

(x - h)² + (y - k)² = r²

(h,k) = (1, -1)

r = 5

(x - 1)² + (y - -1)² = 5²

(x - 1)² + (y + 1)² = 25

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step-by-step explanation:

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if e is the midpoint of bd, then bd is 14.

step-by-step explanation: