A large western state consists of 4838 million acres of land. Approximately 24% of this land is federally owned. Find the number of acres that are not federally owned​

3. find the radius of circle p.4. find y.

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?