The store employee works 35 hours per week. Write down the inequality that can be used to find the dollar value, x, of weekly sales that the employee must make to earn more than $400 per week.

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

What does the relationship between the mean and median reveal about the shape of the data

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.