Why might knowing the slope of a ski run help you understand whether it is appropriate too easy, or too advanced for you? What could go wrong if you didn't understand slope?

Adding and subtracting matricesfind the value of each variable. x = and y = would

Which statement about the graph of y = 8(0.25)^2

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.