What is the value of arcsin(1 2) ?

A.) π6
B.) π3
C.) 5π3
D.) 11π6

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Asap! i'm not good math and i'm lost.

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?