Pradeep and his cousin went to the corner store to buy candy. His cousin paid and told Pradeep he could pay him back. “You owe me 4⁄5 of a dollar,” laughed his cousin.
“How much is that?” Pradeep asked.
“You tell me!” his cousin replied.
How much does Pradeep owe his cousin?
question is in the picture

Two lines that do not intersect are skew. always sometimes or never

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

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.