Just incase you can't see the question it says, the diameter of a bicycle rim is 22 inches. If 34 spokes are to be evenly spaced along the bike rim, how far apart should each spoke be along the inside of the rim? Express your answer to the nearest tenth of an inch.

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

For what value of (y) is 3^3/3^y =1/9

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.