In 5 minutes, a seal descended 24 feet. what was the average rate of change in the seal's elevation per minute

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

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.

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?