Which of the following is a result of shifting a circle with equation (x - 1)2 + (y - 4)2 = 16
up 4 units?
A. Both the x- and y-coordinates of the center of the circle increase
by 4.
B. Both the x- and y-coordinates of the center of the circle decrease
by 4.
c. The y-coordinate of the center of the circle increases by 4.
D. The y-coordinate of the center of the circle decreases by 4.

Helppp pls

The thickness of photoresist applied to wafers in semiconductor manufacturing at a particular location on the wafer is uniformly distributed between 0.2070 and 0.2171 micrometers.(a) determine the proportion of wafers that exceeds 0.2125 micrometers of photoresist thickness. (round your answer to 3 decimal places.)enter your answer in accordance to the item a) of the question statement(b) determine the mean of x. (round your answer to 4 decimal places.)enter your answer in accordance to the item b) of the question statement micrometers(c) determine the variance of x. (round your answer to 8 decimal places.)enter your answer in accordance to the item c) of the question statement micrometers2