Where is high friction on a mountain bike and low friction on a mountain bike? Explain for each and where is high friction and low friction located on the mountain bike?

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47

How do cracks affect the rate of weathering?

Abody covers a semicircle of radius 7cm in 5s .find its linear speed