What is the quotient of -9 ÷ 3? A) -3 B) 3 C) - 1 3 D) 1 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?

Which equation represents the function on the graph?

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?