Town c is 5 miles due east of town d. town e is 12 miles
fromtown c at a bearing (from c) of n 52oe.
a. how far apart are town d and e?
b. find the bearing of town e from town d.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

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.

How can you construct perpendicular lines and prove theorems about perpendicular lines