Answer:
The correct option is A.
Step-by-step explanation:
The difference between actual value and predicted value is called residual.
Formula of residual is

Where, y is observed value or actual value and
is predicted value.


The value of residual is 1.4 and option A is correct.
(antique book age)*4 idrk the question but i hope this helps
Answer:
257.61
Step-by-step explanation:
FORMULA= C=2πr=2·π·41≈257.6106
there is a screenshot included too
Answer:
√109
Step-by-step explanation:
3^2 + 10^2 = c^2
9 + 100 = 109^2