In portland, the tax on a property assessed at $320,000 is $3,840. if tax rates are proportional in this city, how much would the tax be on a property assessed at $730,000?

Which of the following are parts of a sphere

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

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.