Which of the numbers below are less than 10 units away from zero? Select all that apply. A) −9.5 B) −812 C) 9.85 D) 812 E) 1012

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?

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

4+(2+x) can you me solve this problem