Write as the opposite of a square root.

a) -2 root 3

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Me find the value of x each figure.