Solve for y.
y/3 +12=39
simplify your answer as much as possible.

If a=0.333333 and b=0.55555, what is the value of a+b

As a salesperson you get $53/day and $3.75/ each sal you make. if you want to make at least $128 in one day, how many sales would you need to make? a 10b 15c 20d 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