Susan will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $57 and costs an additional $0.15 per mile driven. The second plan has an initial fee of $50 and costs an additional $0.20 per mile driven.

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Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

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.

What’s 8y+48 and factor each expression completely