An arrow is launched upward with a velocity of 96 feet per second from the top of a 50-foot building. What is the maximum height attained by the arrow?

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.

Find the missing factor. write your answer inexponential form.9^2=9^4×

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25