Answer:
I would say B
Step-by-step explanation:
Answer:
80
Step-by-step explanation:
Answer:
T = (0, 2b)
A = (a, 4b)
Step-by-step explanation:
Answer:
B)16
Step-by-step explanation:
cz radius is the half of diameter.
Standard deviation is the square root of the variance.
To find the variance from the standard deviation, raise it to the 2nd power:
Standard deviation = 4
Variance = 4^2 = 4x4 = 16.