Answer:
2√13
Step-by-step explanation:
using the distance formula;
d = \sqrt{(x_2 - x_1)^2 + (y_2-y_1)^2}
you plug the numbers in. once done you get 2√13.
Hope it helps!
Answer:
152
Step-by-step explanation:
484-28=456
456/3=152
Answer:
if a z-score is equal to +1, it is 1 standard deviation above the mean.
Step-by-step explanation: