Ffx) iš a third degree polynomial function, how many distinct complex roots are possible? O 0 or 2
O 0.1.2 or 3
O 1 or 2
O 1.2. or 3

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?