In ΔJKL, j = 10 in., k = 7 in., l = 6.58 in. Find m∠J.
a. 38°
b. 95°
c. 44°
d. 25°

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?

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?