Which of the following are square roots of the number below?
check all that apply..
36
a. 6
b. -(36)^1/2
c. 18
d. 36^1/2
and youu !

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

What is the measure of ac? enter your answer in the box. (4x - 5.5) (5x+25)

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