The circles with equations (x + 4)^2 + (y+1) ^2 = 64
And
(X-8)^2 + (Y-4)^2 = r^2
Where r> 0
Have exactly one point in common.
Find the difference between the two possible values of r.
A: 4
B: 10
C: 16
D: 26
E: 50

Please help, I’ve been doing this question for 4 hours. Please show working.

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.