Emily is making halloween bags for her class her brother took half of the one she made to give his friend she then give away 5 to her neighbor. he dog end up breaking up one-third of the remaining cards. she have 30 bags left to hang out to classmate. how much did she make in total.

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days

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.

Simplify the following expression 48^1/2