Sherry needs to have at least $1600 in her bank account at the end this month. She works at a restaurant where she earns $18 an hour. This month she has to pay her car payment of $200. How many hours does Sherry need to work to save up enough money.

Which fraction below is equivalent to 10/12?

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.

Pls the last one and it has to be like number 6