Horizontal cross section of a cylinder

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

Which of the following is a justification used while proving the similarity of triangles lom and mon

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?