Answer:

The reason is because we assume that each week have the same weight and replacing we got:

And the best option would be:
D. 221.25
Step-by-step explanation:
For this case we have the following data given
Week 1 2 3 4
Minutes 190 163 327 205
For this case we can find the mean with the following formula:

The reason is because we assume that each week have the same weight and replacing we got:

And the best option would be:
D. 221.25
Answer: 81
Step-by-step explanation:
(3^2)^2=81
Hope that helped
Answer:
mZR = (4x + 160)°
Step-by-step explanation:
cause, mZR = mZN
;-))
Move all terms not containing U to the right side of the equation.
Exact Form:
U = 1/2
Decimal Form:
U = 0.5