If BA is extended all the way through A creating BF and A becomes the midpoint of BF, then what are the coordinates of F?
8.
Darko found the distance between points A(3,-4) and B(-1, 3). His work is shown below.
X-3 YN-4 Xo - Yo-3
D(A, B) (1-3)(9-4)
r(-4)²+(-17
V lle +1
2
= 11
~ 4.123

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample