A submersible vessel was
lowered 6 meters from its start
position and raised 50 meters.
The vessel then lowered itself 5.5
meters each hour for 7 hours.
How many meters is the vessel
from its start position?

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.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

Point a (7,3) is translated to a'(16,-9). which rule describes the translation?