Answer:
Step-by-step explanation:
d^2 = (x2 - x1)^2 + (y2 - y1)^2
x1 = 9
x2 = -1
y1 = -3
y2 = 8
d^2 = (-1 -9)^2 + (8 - - 3)^2
d^2 = (-10)^2 + 11^2
d^2 = 100 + 121^2
d^2 = 221
221 is not prime, it is 13 * 17 which doesn't factor down any further.
So
d = sqrt(221)
